diff --git a/libcxx/include/CMakeLists.txt b/libcxx/include/CMakeLists.txt
--- a/libcxx/include/CMakeLists.txt
+++ b/libcxx/include/CMakeLists.txt
@@ -58,6 +58,7 @@
   __algorithm/next_permutation.h
   __algorithm/none_of.h
   __algorithm/nth_element.h
+  __algorithm/out_value_result.h
   __algorithm/partial_sort.h
   __algorithm/partial_sort_copy.h
   __algorithm/partition.h
diff --git a/libcxx/include/__algorithm/out_value_result.h b/libcxx/include/__algorithm/out_value_result.h
new file mode 100644
--- /dev/null
+++ b/libcxx/include/__algorithm/out_value_result.h
@@ -0,0 +1,53 @@
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// 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_OUT_VALUE_RESULT_H
+#define _LIBCPP___ALGORITHM_OUT_VALUE_RESULT_H
+
+#include <__concepts/convertible_to.h>
+#include <__config>
+#include <__utility/move.h>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#  pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+#if !defined(_LIBCPP_HAS_NO_CONCEPTS)
+
+namespace ranges {
+
+template <class _O1, class _T1>
+struct out_value_result {
+  _LIBCPP_NO_UNIQUE_ADDRESS _O1 out;
+  _LIBCPP_NO_UNIQUE_ADDRESS _T1 value;
+
+  template <class _O2, class _T2>
+    requires convertible_to<const _O1&, _O2> && convertible_to<const _T1&, _T2>
+   _LIBCPP_HIDE_FROM_ABI constexpr
+   operator out_value_result<_O2, _T2>() const & {
+    return {out, value};
+  }
+
+  template <class _O2, class _T2>
+    requires convertible_to<_O1, _O2> && convertible_to<_T1, _T2>
+  _LIBCPP_HIDE_FROM_ABI constexpr
+  operator out_value_result<_O2, _T2>() && {
+    return {std::move(out), std::move(value)};
+  }
+};
+
+} // namespace ranges
+
+#endif // !defined(_LIBCPP_HAS_NO_CONCEPTS)
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___ALGORITHM_OUT_VALUE_RESULT_H
diff --git a/libcxx/include/algorithm b/libcxx/include/algorithm
--- a/libcxx/include/algorithm
+++ b/libcxx/include/algorithm
@@ -37,6 +37,9 @@
   template <class I>
     struct in_found_result;   // since C++20
 
+  template <class O, class T>
+    struct out_value_result;  // since C++20
+
   template<forward_iterator I, sentinel_for<I> S, class Proj = identity,
     indirect_strict_weak_order<projected<I, Proj>> Comp = ranges::less>             // since C++20
   constexpr I min_element(I first, S last, Comp comp = {}, Proj proj = {});
@@ -767,6 +770,7 @@
 #include <__algorithm/next_permutation.h>
 #include <__algorithm/none_of.h>
 #include <__algorithm/nth_element.h>
+#include <__algorithm/out_value_result.h>
 #include <__algorithm/partial_sort.h>
 #include <__algorithm/partial_sort_copy.h>
 #include <__algorithm/partition.h>
diff --git a/libcxx/include/module.modulemap b/libcxx/include/module.modulemap
--- a/libcxx/include/module.modulemap
+++ b/libcxx/include/module.modulemap
@@ -286,6 +286,7 @@
       module next_permutation         { private header "__algorithm/next_permutation.h" }
       module none_of                  { private header "__algorithm/none_of.h" }
       module nth_element              { private header "__algorithm/nth_element.h" }
+      module out_value_result         { private header "__algorithm/out_value_result.h" }
       module partial_sort             { private header "__algorithm/partial_sort.h" }
       module partial_sort_copy        { private header "__algorithm/partial_sort_copy.h" }
       module partition                { private header "__algorithm/partition.h" }
diff --git a/libcxx/test/libcxx/diagnostics/detail.headers/algorithm/out_value_result.module.verify.cpp b/libcxx/test/libcxx/diagnostics/detail.headers/algorithm/out_value_result.module.verify.cpp
new file mode 100644
--- /dev/null
+++ b/libcxx/test/libcxx/diagnostics/detail.headers/algorithm/out_value_result.module.verify.cpp
@@ -0,0 +1,15 @@
+//===----------------------------------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+// REQUIRES: modules-build
+
+// WARNING: This test was generated by 'generate_private_header_tests.py'
+// and should not be edited manually.
+
+// expected-error@*:* {{use of private header from outside its module: '__algorithm/out_value_result.h'}}
+#include <__algorithm/out_value_result.h>
diff --git a/libcxx/test/std/algorithms/algorithms.results/out_value_result.pass.cpp b/libcxx/test/std/algorithms/algorithms.results/out_value_result.pass.cpp
new file mode 100644
--- /dev/null
+++ b/libcxx/test/std/algorithms/algorithms.results/out_value_result.pass.cpp
@@ -0,0 +1,92 @@
+//===----------------------------------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+// UNSUPPORTED: c++03, c++11, c++14, c++17
+// UNSUPPORTED: libcpp-no-concepts
+// UNSUPPORTED: libcpp-has-no-incomplete-ranges
+
+// template <class O, class T>
+// struct out_value_result;
+
+#include <algorithm>
+#include <cassert>
+#include <type_traits>
+
+#include "MoveOnly.h"
+
+struct A {
+  explicit A(int);
+};
+// no implicit conversion
+static_assert(!std::is_constructible_v<std::ranges::out_value_result<A, A>, std::ranges::out_value_result<int, int>>);
+
+struct B {
+  B(int);
+};
+// implicit conversion
+static_assert(std::is_constructible_v<std::ranges::out_value_result<B, B>, std::ranges::out_value_result<int, int>>);
+static_assert(std::is_constructible_v<std::ranges::out_value_result<B, B>, std::ranges::out_value_result<int, int>&>);
+static_assert(std::is_constructible_v<std::ranges::out_value_result<B, B>, const std::ranges::out_value_result<int, int>>);
+static_assert(std::is_constructible_v<std::ranges::out_value_result<B, B>, const std::ranges::out_value_result<int, int>&>);
+
+struct C {
+  C(int&);
+};
+static_assert(!std::is_constructible_v<std::ranges::out_value_result<C, C>, std::ranges::out_value_result<int, int>&>);
+
+// has to be convertible via const&
+static_assert(std::is_convertible_v<std::ranges::out_value_result<int, int>&, std::ranges::out_value_result<long, long>>);
+static_assert(std::is_convertible_v<const std::ranges::out_value_result<int, int>&, std::ranges::out_value_result<long, long>>);
+static_assert(std::is_convertible_v<std::ranges::out_value_result<int, int>&&, std::ranges::out_value_result<long, long>>);
+static_assert(std::is_convertible_v<const std::ranges::out_value_result<int, int>&&, std::ranges::out_value_result<long, long>>);
+
+// should be move constructible
+static_assert(std::is_move_constructible_v<std::ranges::out_value_result<MoveOnly, int>>);
+static_assert(std::is_move_constructible_v<std::ranges::out_value_result<int, MoveOnly>>);
+
+struct NotConvertible {};
+// conversions should not work if there is no conversion
+static_assert(!std::is_convertible_v<std::ranges::out_value_result<NotConvertible, int>, std::ranges::out_value_result<int, int>>);
+static_assert(!std::is_convertible_v<std::ranges::out_value_result<int, NotConvertible>, std::ranges::out_value_result<int, int>>);
+
+template <class T>
+struct ConstructibleFrom {
+  constexpr ConstructibleFrom(T c) : content{c} {}
+  T content;
+};
+
+constexpr bool test() {
+  {
+    std::ranges::out_value_result<int, double> res{10L, 0.};
+    assert(res.out == 10);
+    assert(res.value == 0.);
+    std::ranges::out_value_result<ConstructibleFrom<int>, ConstructibleFrom<double>> res2 = res;
+    assert(res2.out.content == 10);
+    assert(res2.value.content == 0.);
+  }
+  {
+    std::ranges::out_value_result<MoveOnly, int> res{MoveOnly{}, 0};
+    assert(res.out.get() == 1);
+    [[maybe_unused]] auto res2 = static_cast<std::ranges::out_value_result<MoveOnly, int>>(std::move(res));
+    assert(res.out.get() == 0);
+  }
+  {
+    auto [out, value] = std::ranges::out_value_result<int, int>{1, 2};
+    assert(out == 1);
+    assert(value == 2);
+  }
+
+  return true;
+}
+
+int main(int, char**) {
+  test();
+  static_assert(test());
+
+  return 0;
+}