Mamonov () is a Russian masculine surname, its feminine counterpart is Mamonova. It may refer to:
Aleksei Mamonov (born 1993), Russian football player Alexander Dmitriev-Mamonov (1758–1803), Russian noble Anton Mamonov (born 1989), Russian football player Dmitriy Mamonov (born 1978), Kazakhstani football manager and a former player Matvey Dmitriev-Mamonov (1790–1863), Russian noble and writer, son of Alexander Nikolay Mamonov, Soviet speedskater Pyotr Mamonov (1951–2021), Russian rock musician Tatiana Mamonova, Russian feminist Vladimirs Mamonovs (born 1980), Latvian ice hockey player Yuri Mamonov (1958–2022), Russian politician