Tomaszewski is a Polish masculine surname, which may be transliterated from Cyrillic languages as Tomashevsky or Tomashevskiy. Its feminine counterpart is Tomaszewska or Tomashevskaya. It may refer to:
Andrzej Tomaszewski (1934–2010), Polish historian of art and culture, architect
Bohdan Tomaszewski (1921–2015), Polish sport journalist
Boris Tomashevsky (1890–1957), Russian literary scholar and historian
David Tomaszewski (born 1984), French music video director
Dawid Tomaszewski (born 1980), Polish art fashion designer
Evgeny Tomashevsky (born 1987), Russian chess grandmaster
Henryk Tomaszewski (poster artist) (1914–2005), Polish poster artist
Henryk Tomaszewski (mime) (1919–2001), Polish mime artist and theatre director
Irene Tomaszewski (born 1940), Polish-Canadian writer
Jan Tomaszewski (born 1948), Polish footballer
Janusz Tomaszewski (born 1956), Polish politician
Jerzy Tomaszewski (historian) (1930–2014), Polish historian
Jerzy Tomaszewski (photographer) (born 1924), Polish photographer
Marek Tomaszewski (born 1943), Polish pianist
Marian Tomaszewski (born 1922), Polish military officer and scout leader
Michał Tomaszewski (born 1982), Polish ice dancer
Piotr Tomaszewski (born 1974), Polish guitarist
Pete Tomaszewski, fictional TV character on the show Sea Patrol
Stanisław Miedza-Tomaszewski (1913–2000), Polish war artist and underground fighter
Tadeusz Tomaszewski (born 1959), Polish politician
Tadeusz Tomaszewski (Prime Minister) (1881–1950), Polish politician
Tomasz Tomaszewski, Polish violinist
Waldemar Tomaszewski (born 1965), Polish politician
