Kozlovsky (masculine) or Kozlovskaya (feminine) is an East Slavic surname. Notable people with the surname include:

• Alexander Kozlovsky (disambiguation), several people
• Alexei Fedorovich Kozlovsky (1905–1977), Russian composer
• Alexei Ivanovich Kozlovsky  ( ru ) (1932–1996), Ukrainian foreman
• Alexei Semyonovich Kozlovsky  ( ru ) (1707–1776), Russian statesman
• Alfred Kozlovsky  ( ru ) (1929–2013), Ukrainian metallurgist
• Danila Kozlovsky (born 1985), Russian actor
• Dmitrii Kozlovskii (born 1999), Russian pair skater
• Eugene Kozlovsky (1946–2023), Russian writer, journalist
• Ivan Kozlovsky (1900–1993), Soviet singer (tenor)
• Marina Kozlovskaya (1925–2019), Soviet Russian painter
• Mikhail Kozlovsky (1753–1802), Russian sculptor
• Ondřej Kozlovský (born 1982), Czech bobsledder
• Osip Kozlovsky (1757–1831), Russian composer
• Pavel Pavlovich Kozlovsky (born 1942), Soviet and Belarusian general and politician
• Pyotr Kozlovsky (1783–1840), Russian diplomat and man of letters
• Valentina Kozlovskaya (1938–2025), Russian chess player
• William P. Kozlovsky, American rear admiral

See also

• Kozłowski, a Polish last name

Surname list

This page lists people with the surname Kozlovsky.
If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link.