diff --git a/libcxx/docs/Status/RangesAlgorithms.csv b/libcxx/docs/Status/RangesAlgorithms.csv
--- a/libcxx/docs/Status/RangesAlgorithms.csv
+++ b/libcxx/docs/Status/RangesAlgorithms.csv
@@ -53,7 +53,7 @@
 Write,replace_if,Not assigned,n/a,Not started
 Write,replace_copy,Not assigned,n/a,Not started
 Write,replace_copy_if,Not assigned,n/a,Not started
-Write,swap_ranges,Not assigned,n/a,Not started
+Write,swap_ranges,Not assigned,n/a,Complete
 Write,reverse_copy,Not assigned,n/a,Not started
 Write,rotate_copy,Not assigned,n/a,Not started
 Write,sample,Not assigned,n/a,Not started
diff --git a/libcxx/include/CMakeLists.txt b/libcxx/include/CMakeLists.txt
--- a/libcxx/include/CMakeLists.txt
+++ b/libcxx/include/CMakeLists.txt
@@ -60,6 +60,7 @@
   __algorithm/pop_heap.h
   __algorithm/prev_permutation.h
   __algorithm/push_heap.h
+  __algorithm/ranges_swap_ranges.h
   __algorithm/remove_copy_if.h
   __algorithm/remove_copy.h
   __algorithm/remove_if.h
diff --git a/libcxx/include/__algorithm/ranges_swap_ranges.h b/libcxx/include/__algorithm/ranges_swap_ranges.h
new file mode 100644
--- /dev/null
+++ b/libcxx/include/__algorithm/ranges_swap_ranges.h
@@ -0,0 +1,66 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP___ALGORITHM_RANGES_SWAP_RANGES_H
+#define _LIBCPP___ALGORITHM_RANGES_SWAP_RANGES_H
+
+#include <__algorithm/in_in_result.h>
+#include <__config>
+#include <__iterator/concepts.h>
+#include <__iterator/iter_swap.h>
+#include <__ranges/concepts.h>
+#include <__ranges/dangling.h>
+#include <type_traits>
+
+#ifndef _LIBCPP_HAS_NO_RANGES
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+namespace ranges {
+template <class _I1, class _I2>
+using swap_ranges_result = in_in_result<_I1, _I2>;
+
+namespace __swap_ranges {
+struct __fn {
+  template <input_iterator _I1, sentinel_for<_I1> _S1,
+            input_iterator _I2, sentinel_for<_I2> _S2>
+    requires indirectly_swappable<_I1, _I2>
+  _LIBCPP_HIDE_FROM_ABI constexpr
+  ranges::swap_ranges_result<_I1, _I2> operator()(_I1 __first1, _S1 __last1, _I2 __first2, _S2 __last2) const
+  {
+    while (__first1 != __last1 && __first2 != __last2)
+    {
+      ranges::iter_swap(__first1, __first2);
+      ++__first1;
+      ++__first2;
+    }
+    return {__first1, __first2};
+  }
+
+  template <input_range _R1,
+            input_range _R2>
+    requires indirectly_swappable<iterator_t<_R1>, iterator_t<_R2>>
+  constexpr ranges::swap_ranges_result<borrowed_iterator_t<_R1>, borrowed_iterator_t<_R2>>
+    operator()(_R1&& __r1, _R2&& __r2) const
+  {
+    return operator()(ranges::begin(__r1), ranges::end(__r1),
+                      ranges::begin(__r2), ranges::end(__r2));
+  }
+};
+} // namespace __swap_ranges
+
+inline namespace __cpo {
+  inline constexpr auto swap_ranges = __swap_ranges::__fn{};
+} // namespace __cpo
+} // namespace ranges
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP_HAS_NO_RANGES
+
+#endif // _LIBCPP___ALGORITHM_RANGES_SWAP_RANGES_H
diff --git a/libcxx/include/__algorithm/swap_ranges.h b/libcxx/include/__algorithm/swap_ranges.h
--- a/libcxx/include/__algorithm/swap_ranges.h
+++ b/libcxx/include/__algorithm/swap_ranges.h
@@ -11,7 +11,6 @@
 
 #include <__config>
 #include <__utility/swap.h>
-#include <type_traits>
 
 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
diff --git a/libcxx/include/algorithm b/libcxx/include/algorithm
--- a/libcxx/include/algorithm
+++ b/libcxx/include/algorithm
@@ -193,6 +193,16 @@
     constexpr ForwardIterator2    // constexpr in C++20
     swap_ranges(ForwardIterator1 first1, ForwardIterator1 last1, ForwardIterator2 first2);
 
+template<input_­iterator I1, sentinel_­for<I1> S1, input_­iterator I2, sentinel_­for<I2> S2>
+        requires indirectly_­swappable<I1, I2>
+    constexpr ranges::swap_ranges_result<I1, I2>
+        ranges::swap_ranges(I1 first1, S1 last1, I2 first2, S2 last2);
+
+template<input_­range R1, input_range R2>
+        requires indirectly_­swappable<iterator_t<R1>, iterator_t<R2>>
+    constexpr ranges::swap_ranges_result<borrowed_iterator_t<R1>, borrowed_iterator_t<R2>>
+        ranges::swap_ranges(R1&& r1, R2&& r2);
+
 template <class ForwardIterator1, class ForwardIterator2>
     constexpr void                // constexpr in C++20
     iter_swap(ForwardIterator1 a, ForwardIterator2 b);
@@ -724,6 +734,7 @@
 #include <__algorithm/pop_heap.h>
 #include <__algorithm/prev_permutation.h>
 #include <__algorithm/push_heap.h>
+#include <__algorithm/ranges_swap_ranges.h>
 #include <__algorithm/remove.h>
 #include <__algorithm/remove_copy.h>
 #include <__algorithm/remove_copy_if.h>
diff --git a/libcxx/include/module.modulemap b/libcxx/include/module.modulemap
--- a/libcxx/include/module.modulemap
+++ b/libcxx/include/module.modulemap
@@ -280,6 +280,7 @@
       module pop_heap                 { private header "__algorithm/pop_heap.h" }
       module prev_permutation         { private header "__algorithm/prev_permutation.h" }
       module push_heap                { private header "__algorithm/push_heap.h" }
+      module ranges_swap_ranges       { private header "__algorithm/ranges_swap_ranges.h" }
       module remove                   { private header "__algorithm/remove.h" }
       module remove_copy              { private header "__algorithm/remove_copy.h" }
       module remove_copy_if           { private header "__algorithm/remove_copy_if.h" }
diff --git a/libcxx/test/std/algorithms/alg.modifying.operations/alg.swap/ranges.swap_ranges.pass.cpp b/libcxx/test/std/algorithms/alg.modifying.operations/alg.swap/ranges.swap_ranges.pass.cpp
new file mode 100644
--- /dev/null
+++ b/libcxx/test/std/algorithms/alg.modifying.operations/alg.swap/ranges.swap_ranges.pass.cpp
@@ -0,0 +1,174 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+// <algorithm>
+
+// UNSUPPORTED: c++03, c++11, c++14, c++17
+
+// template<input_­iterator I1, sentinel_­for<I1> S1, input_­iterator I2, sentinel_­for<I2> S2>
+//   requires indirectly_­swappable<I1, I2>
+//   constexpr ranges::swap_ranges_result<I1, I2>
+//     ranges::swap_ranges(I1 first1, S1 last1, I2 first2, S2 last2);
+// template<input_­range R1, input_range R2>
+//   requires indirectly_­swappable<iterator_t<R1>, iterator_t<R2>>
+//   constexpr ranges::swap_ranges_result<borrowed_iterator_t<R1>, borrowed_iterator_t<R2>>
+//     ranges::swap_ranges(R1&& r1, R2&& r2);
+
+#include <algorithm>
+#include <array>
+#include <cassert>
+#include <list>
+#include <memory>
+#include <ranges>
+#include <vector>
+
+#include "test_macros.h"
+#include "test_iterators.h"
+
+constexpr void test_different_lengths() {
+  int i[3] = {1, 2, 3};
+  int j[1] = {4};
+  std::same_as<std::ranges::swap_ranges_result<int*, int*>> auto r = std::ranges::swap_ranges(i, i + 3, j, j + 1);
+  assert(r.in1 == i + 1);
+  assert(r.in2 == j + 1);
+  assert(i[0] == 4);
+  assert(i[1] == 2);
+  assert(i[2] == 3);
+  assert(j[0] == 1);
+  std::same_as<std::ranges::swap_ranges_result<int*, int*>> auto r2 = std::ranges::swap_ranges(i, j);
+  assert(r2.in1 == i + 1);
+  assert(r2.in2 == j + 1);
+  assert(i[0] == 1);
+  assert(i[1] == 2);
+  assert(i[2] == 3);
+  assert(j[0] == 4);
+}
+
+template <class Range1, class Range2>
+constexpr void test_range() {
+  Range1 r1 = {1, 2, 3};
+  Range2 r2 = {4, 5, 6};
+
+  using It1 = typename Range1::iterator;
+  using It2 = typename Range2::iterator;
+
+  std::same_as<std::ranges::in_in_result<It1, It2>> auto r = std::ranges::swap_ranges(r1, r2);
+  assert(r.in1 == std::ranges::end(r1));
+  assert(r.in2 == std::ranges::end(r2));
+
+  assert((r1 == Range1{4, 5, 6}));
+  assert((r2 == Range2{1, 2, 3}));
+}
+
+constexpr void test_borrowed_input_range() {
+  int r1[] = {1, 2, 3};
+  int r2[] = {4, 5, 6};
+
+  using It = cpp17_input_iterator<int*>;
+  using Sentinel = sentinel_wrapper<It>;
+
+  std::ranges::subrange b1{It(r1), Sentinel(It(r1 + 2))};
+  std::ranges::subrange b2{It(r2 + 1), Sentinel(It(r2 + 3))};
+
+  std::ranges::swap_ranges(b1, b2);
+
+  assert(r1[0] == 5);
+  assert(r1[1] == 6);
+  assert(r1[2] == 3);
+  assert(r2[0] == 4);
+  assert(r2[1] == 1);
+  assert(r2[2] == 2);
+}
+
+constexpr void test_sentinel() {
+  int i[3] = {1, 2, 3};
+  int j[3] = {4, 5, 6};
+  using Iter = cpp17_input_iterator<int*>;
+  using Sentinel = sentinel_wrapper<Iter>;
+  std::same_as<std::ranges::swap_ranges_result<Iter, Iter>> auto r =
+      std::ranges::swap_ranges(Iter(i), Sentinel(Iter(i + 3)), Iter(j), Sentinel(Iter(j + 3)));
+  assert(base(r.in1) == i + 3);
+  assert(base(r.in2) == j + 3);
+  assert(i[0] == 4);
+  assert(i[1] == 5);
+  assert(i[2] == 6);
+  assert(j[0] == 1);
+  assert(j[1] == 2);
+  assert(j[2] == 3);
+}
+
+template <class Iter1, class Iter2>
+constexpr void test_iterators() {
+  int i[3] = {1, 2, 3};
+  int j[3] = {4, 5, 6};
+  std::same_as<std::ranges::swap_ranges_result<Iter1, Iter2>> auto r =
+      std::ranges::swap_ranges(Iter1(i), Iter1(i + 3), Iter2(j), Iter2(j + 3));
+  assert(base(r.in1) == i + 3);
+  assert(base(r.in2) == j + 3);
+  assert(i[0] == 4);
+  assert(i[1] == 5);
+  assert(i[2] == 6);
+  assert(j[0] == 1);
+  assert(j[1] == 2);
+  assert(j[2] == 3);
+}
+
+constexpr bool constexpr_test() {
+  test_range<std::array<int, 3>, std::array<int, 3>>();
+
+  test_iterators<forward_iterator<int*>, forward_iterator<int*>>();
+  test_iterators<forward_iterator<int*>, bidirectional_iterator<int*>>();
+  test_iterators<forward_iterator<int*>, random_access_iterator<int*>>();
+  test_iterators<forward_iterator<int*>, int*>();
+
+  test_iterators<bidirectional_iterator<int*>, forward_iterator<int*>>();
+  test_iterators<bidirectional_iterator<int*>, bidirectional_iterator<int*>>();
+  test_iterators<bidirectional_iterator<int*>, random_access_iterator<int*>>();
+  test_iterators<bidirectional_iterator<int*>, int*>();
+
+  test_iterators<random_access_iterator<int*>, forward_iterator<int*>>();
+  test_iterators<random_access_iterator<int*>, bidirectional_iterator<int*>>();
+  test_iterators<random_access_iterator<int*>, random_access_iterator<int*>>();
+  test_iterators<random_access_iterator<int*>, int*>();
+
+  test_iterators<int*, forward_iterator<int*>>();
+  test_iterators<int*, bidirectional_iterator<int*>>();
+  test_iterators<int*, random_access_iterator<int*>>();
+  test_iterators<int*, int*>();
+
+  test_sentinel();
+  test_different_lengths();
+  test_borrowed_input_range();
+
+  return true;
+}
+
+void test_rval_range() {
+  std::vector r = {1, 2, 3};
+  [[maybe_unused]] std::same_as<std::ranges::swap_ranges_result<std::vector<int>::iterator, std::ranges::dangling>> auto
+      a = std::ranges::swap_ranges(r, std::vector{4, 5, 6});
+  assert((r == std::vector{4, 5, 6}));
+  [[maybe_unused]] std::same_as<std::ranges::swap_ranges_result<std::ranges::dangling, std::vector<int>::iterator>> auto
+      b = std::ranges::swap_ranges(std::vector{1, 2, 3}, r);
+  assert((r == std::vector{1, 2, 3}));
+}
+
+void test() {
+  test_range<std::vector<int>, std::list<int>>();
+  test_rval_range();
+
+  struct S{};
+  ASSERT_SAME_TYPE(std::ranges::swap_ranges_result<S, S>, std::ranges::in_in_result<S, S>);
+}
+
+int main(int, char**) {
+  constexpr_test();
+  test();
+  static_assert(constexpr_test());
+  return 0;
+}
diff --git a/libcxx/test/std/library/description/conventions/customization.point.object/cpo.compile.pass.cpp b/libcxx/test/std/library/description/conventions/customization.point.object/cpo.compile.pass.cpp
--- a/libcxx/test/std/library/description/conventions/customization.point.object/cpo.compile.pass.cpp
+++ b/libcxx/test/std/library/description/conventions/customization.point.object/cpo.compile.pass.cpp
@@ -12,6 +12,7 @@
 // [customization.point.object]
 // [range.adaptor.object] "A range adaptor object is a customization point object..."
 
+#include <algorithm>
 #include <compare>
 #include <iterator>
 #include <ranges>
@@ -42,6 +43,10 @@
 //int arrays[10][10];
 //std::pair<int, int> pairs[10];
 
+// [alg.modifying.operations]
+static_assert(test(std::ranges::swap_ranges, a, a));
+static_assert(test(std::ranges::swap_ranges, a, a + 10, a, a + 10));
+
 // [concept.swappable]
 static_assert(test(std::ranges::swap, a, a));