diff --git a/include/boost/smart_ptr/owner_equal_to.hpp b/include/boost/smart_ptr/owner_equal_to.hpp
new file mode 100644
index 0000000..e4200f7
--- /dev/null
+++ b/include/boost/smart_ptr/owner_equal_to.hpp
@@ -0,0 +1,25 @@
+#ifndef BOOST_SMART_PTR_OWNER_EQUAL_TO_HPP_INCLUDED
+#define BOOST_SMART_PTR_OWNER_EQUAL_TO_HPP_INCLUDED
+
+// Copyright 2020 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+namespace boost
+{
+
+template<class T = void> struct owner_equal_to
+{
+    typedef bool result_type;
+    typedef T first_argument_type;
+    typedef T second_argument_type;
+
+    template<class U, class V> bool operator()( U const & u, V const & v ) const
+    {
+        return u.owner_equals( v );
+    }
+};
+
+} // namespace boost
+
+#endif  // #ifndef BOOST_SMART_PTR_OWNER_EQUAL_TO_HPP_INCLUDED
diff --git a/test/Jamfile b/test/Jamfile
index 51be6a5..abd9bee 100644
--- a/test/Jamfile
+++ b/test/Jamfile
@@ -371,3 +371,6 @@ run sp_owner_before_test.cpp ;
 run sp_owner_equals_test.cpp ;
 run lsp_owner_before_test.cpp ;
 run lsp_owner_equals_test.cpp ;
+
+run owner_equal_to_test.cpp ;
+run owner_equal_to_test2.cpp ;
diff --git a/test/owner_equal_to_test.cpp b/test/owner_equal_to_test.cpp
new file mode 100644
index 0000000..5bce0d2
--- /dev/null
+++ b/test/owner_equal_to_test.cpp
@@ -0,0 +1,116 @@
+// Copyright 2020 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#include <boost/smart_ptr/owner_equal_to.hpp>
+#include <boost/shared_ptr.hpp>
+#include <boost/weak_ptr.hpp>
+#include <boost/core/lightweight_test.hpp>
+
+int main()
+{
+    boost::owner_equal_to<> const eq;
+
+    {
+        boost::shared_ptr<int> p1( new int );
+        boost::shared_ptr<int> p2( p1 );
+
+        BOOST_TEST( eq( p1, p2 ) );
+        BOOST_TEST( eq( p2, p1 ) );
+
+        boost::shared_ptr<int> p3( new int );
+
+        BOOST_TEST( !eq( p1, p3 ) );
+        BOOST_TEST( !eq( p3, p1 ) );
+
+        boost::shared_ptr<int> p4;
+        boost::shared_ptr<int> p5;
+
+        BOOST_TEST( eq( p4, p5 ) );
+        BOOST_TEST( eq( p5, p4 ) );
+
+        BOOST_TEST( !eq( p4, p3 ) );
+        BOOST_TEST( !eq( p3, p4 ) );
+
+        boost::shared_ptr<int> p6( static_cast<int*>(0) );
+
+        BOOST_TEST( !eq( p4, p6 ) );
+        BOOST_TEST( !eq( p6, p4 ) );
+
+        boost::shared_ptr<void> p7( p1 );
+
+        BOOST_TEST( eq( p1, p7 ) );
+        BOOST_TEST( eq( p7, p1 ) );
+
+        boost::shared_ptr<void> p8;
+
+        BOOST_TEST( !eq( p1, p8 ) );
+        BOOST_TEST( !eq( p8, p1 ) );
+
+        BOOST_TEST( eq( p4, p8 ) );
+        BOOST_TEST( eq( p8, p4 ) );
+
+        boost::weak_ptr<int> q1( p1 );
+
+        BOOST_TEST( eq( p1, q1 ) );
+        BOOST_TEST( eq( q1, p1 ) );
+
+        boost::weak_ptr<int> q2( p1 );
+
+        BOOST_TEST( eq( q1, q2 ) );
+        BOOST_TEST( eq( q2, q1 ) );
+
+        boost::weak_ptr<int> q3( p3 );
+
+        BOOST_TEST( !eq( p1, q3 ) );
+        BOOST_TEST( !eq( q3, p1 ) );
+
+        BOOST_TEST( !eq( q1, q3 ) );
+        BOOST_TEST( !eq( q3, q1 ) );
+
+        boost::weak_ptr<int> q4;
+
+        BOOST_TEST( eq( p4, q4 ) );
+        BOOST_TEST( eq( q4, p4 ) );
+
+        BOOST_TEST( !eq( q1, q4 ) );
+        BOOST_TEST( !eq( q4, q1 ) );
+
+        boost::weak_ptr<void> q5;
+
+        BOOST_TEST( eq( q4, q5 ) );
+        BOOST_TEST( eq( q5, q4 ) );
+
+        boost::weak_ptr<void> q7( p7 );
+
+        BOOST_TEST( eq( p1, q7 ) );
+        BOOST_TEST( eq( q7, p1 ) );
+
+        BOOST_TEST( eq( q1, q7 ) );
+        BOOST_TEST( eq( q7, q1 ) );
+
+        p1.reset();
+        p2.reset();
+        p3.reset();
+        p7.reset();
+
+        BOOST_TEST( q1.expired() );
+        BOOST_TEST( q2.expired() );
+        BOOST_TEST( q3.expired() );
+        BOOST_TEST( q7.expired() );
+
+        BOOST_TEST( eq( q1, q2 ) );
+        BOOST_TEST( eq( q2, q1 ) );
+
+        BOOST_TEST( eq( q1, q7 ) );
+        BOOST_TEST( eq( q7, q1 ) );
+
+        BOOST_TEST( !eq( q1, q3 ) );
+        BOOST_TEST( !eq( q3, q1 ) );
+
+        BOOST_TEST( !eq( q1, q4 ) );
+        BOOST_TEST( !eq( q4, q1 ) );
+    }
+
+    return boost::report_errors();
+}
diff --git a/test/owner_equal_to_test2.cpp b/test/owner_equal_to_test2.cpp
new file mode 100644
index 0000000..4a8d629
--- /dev/null
+++ b/test/owner_equal_to_test2.cpp
@@ -0,0 +1,116 @@
+// Copyright 2020 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#include <boost/smart_ptr/owner_equal_to.hpp>
+#include <boost/smart_ptr/local_shared_ptr.hpp>
+#include <boost/core/lightweight_test.hpp>
+
+int main()
+{
+    boost::owner_equal_to<> const eq;
+
+    {
+        boost::local_shared_ptr<int> p1( new int );
+        boost::local_shared_ptr<int> p2( p1 );
+
+        BOOST_TEST( eq( p1, p2 ) );
+        BOOST_TEST( eq( p2, p1 ) );
+
+        boost::local_shared_ptr<int> p3( new int );
+
+        BOOST_TEST( !eq( p1, p3 ) );
+        BOOST_TEST( !eq( p3, p1 ) );
+
+        boost::local_shared_ptr<int> p4;
+        boost::local_shared_ptr<int> p5;
+
+        BOOST_TEST( eq( p4, p5 ) );
+        BOOST_TEST( eq( p5, p4 ) );
+
+        BOOST_TEST( !eq( p4, p3 ) );
+        BOOST_TEST( !eq( p3, p4 ) );
+
+        boost::local_shared_ptr<int> p6( static_cast<int*>(0) );
+
+        BOOST_TEST( !eq( p4, p6 ) );
+        BOOST_TEST( !eq( p6, p4 ) );
+
+        boost::local_shared_ptr<void> p7( p1 );
+
+        BOOST_TEST( eq( p1, p7 ) );
+        BOOST_TEST( eq( p7, p1 ) );
+
+        boost::local_shared_ptr<void> p8;
+
+        BOOST_TEST( !eq( p1, p8 ) );
+        BOOST_TEST( !eq( p8, p1 ) );
+
+        BOOST_TEST( eq( p4, p8 ) );
+        BOOST_TEST( eq( p8, p4 ) );
+/*
+        boost::local_weak_ptr<int> q1( p1 );
+
+        BOOST_TEST( eq( p1, q1 ) );
+        BOOST_TEST( eq( q1, p1 ) );
+
+        boost::local_weak_ptr<int> q2( p1 );
+
+        BOOST_TEST( eq( q1, q2 ) );
+        BOOST_TEST( eq( q2, q1 ) );
+
+        boost::local_weak_ptr<int> q3( p3 );
+
+        BOOST_TEST( !eq( p1, q3 ) );
+        BOOST_TEST( !eq( q3, p1 ) );
+
+        BOOST_TEST( !eq( q1, q3 ) );
+        BOOST_TEST( !eq( q3, q1 ) );
+
+        boost::local_weak_ptr<int> q4;
+
+        BOOST_TEST( eq( p4, q4 ) );
+        BOOST_TEST( eq( q4, p4 ) );
+
+        BOOST_TEST( !eq( q1, q4 ) );
+        BOOST_TEST( !eq( q4, q1 ) );
+
+        boost::local_weak_ptr<void> q5;
+
+        BOOST_TEST( eq( q4, q5 ) );
+        BOOST_TEST( eq( q5, q4 ) );
+
+        boost::local_weak_ptr<void> q7( p7 );
+
+        BOOST_TEST( eq( p1, q7 ) );
+        BOOST_TEST( eq( q7, p1 ) );
+
+        BOOST_TEST( eq( q1, q7 ) );
+        BOOST_TEST( eq( q7, q1 ) );
+
+        p1.reset();
+        p2.reset();
+        p3.reset();
+        p7.reset();
+
+        BOOST_TEST( q1.expired() );
+        BOOST_TEST( q2.expired() );
+        BOOST_TEST( q3.expired() );
+        BOOST_TEST( q7.expired() );
+
+        BOOST_TEST( eq( q1, q2 ) );
+        BOOST_TEST( eq( q2, q1 ) );
+
+        BOOST_TEST( eq( q1, q7 ) );
+        BOOST_TEST( eq( q7, q1 ) );
+
+        BOOST_TEST( !eq( q1, q3 ) );
+        BOOST_TEST( !eq( q3, q1 ) );
+
+        BOOST_TEST( !eq( q1, q4 ) );
+        BOOST_TEST( !eq( q4, q1 ) );
+*/
+    }
+
+    return boost::report_errors();
+}