Slonimsky is an Ashkenazi Jewish surname popular among people of Belarusian, Polish and Russian people of Jewish origin. Originated from Polish Słonimski (feminine: Słonimska, plural: Słonimscy), derived from the adjectival form for the city of Słonim.

Notable persons with this surname include the following:

• Antoni Słonimski: Polish poet

• Piotr Słonimski: Polish-French geneticist

• Hayyim Selig Slonimski: Hebrew publisher, astronomer, inventor, and science author (known as Zinovy Slonimsky in Russia)

• Henry Slonimsky: Belarusian-American professor

• Janina Konarska-Słonimska: Polish artist

• Ludvig Slonimsky: Russian economist, journalist and editor, son of Hayyim Selig (Zinovy) Slonimski

• Mikhail Slonimsky: Soviet writer; younger brother of Nicolas Slonimsky

• Nicolas Slonimsky: Russian-American musicologist and music critic

• Sergei Slonimsky: Russian composer, son of Mikhail Slonimsky

A surname with a similar meaning is Slonim:

• Anthony Slonim: American author, physician and healthcare executive

• Mark Slonim: Russian politician, literary critic, scholar and translator

• Reuben Slonim: Canadian rabbi and journalist

• Vered Slonim-Nevo: professor of social work at the Spitzer Department of Social Work in Ben-Gurion University of the Negev

• Menucha Rochel Slonim: rebbetzin

• Véra Nabokov (née Slonim): wife, editor, and translator of Russian writer Vladimir Nabokov

See also

• Slonim (Hasidic dynasty)

• Slonimsky's Earbox