Maciej

Maciej ( Polish pronunciation: ) is a Polish given name, the etymological equivalent of Matthias. Its diminutive forms are Maciek, Maciuś.

Namedays according to Polish calendar: 30 January, 24 February, 14 May

Maciej may refer to:

Arts and entertainment

 * Maciej Cieślak (born 1969), Polish guitarist and songwriter
 * Maciej Dunal (1953–2014), Polish actor and singer
 * Maciej Fortuna (born 1982), Polish jazz trumpeter, composer and musical educator
 * Maciej Golubiewski (born 1976), Consul General at the Consulate General of the Republic of Poland in New York City
 * Maciej Jachowski (born 1977), Polish actor
 * Maciej Kozłowski (1957–2010), Polish actor
 * Maciej Łukaszczyk (1934–2014), Polish pianist
 * Maciej Maleńczuk (born 1961), Polish singer, guitarist and poet
 * Maciej Małecki (born 1940), Polish composer and pianist
 * Maciej Musiał (born 1995), Polish actor
 * Maciej Silski (born 1976), Polish singer
 * Maciej Stuhr (born 1975), Polish actor, comedian and impressionist
 * Maciej Ślesicki (born 1966), Polish director and screenwriter, co-founder of the Warsaw Film School.
 * Maciej Wojtyszko (born 1946), Polish film director, screenwriter and fiction author
 * Maciej Zembaty (1944–2011), Polish artist, writer, journalist, singer, poet and comedian

Politics

 * Maciej Giertych (born 1936), Polish dendrologist and social conservative politician
 * Maciej Golubiewski (born 1976), Polish political scientist and diplomat
 * Maciej Górski (1944–2020), Polish politician
 * Maciej Nowicki (born 1941), Polish politician, manager and scientist
 * Maciej Płażyński (1958–2010), Polish politician and marshal of the Sejm
 * Maciej Rataj (1884–1940), Polish politician and writer
 * Maciej Świątkowski (born 1950), Polish politician, former member of the Sejm and the Senate

Sports

 * Maciej Bębenek (born 1984), Polish footballer
 * Maciej Bielecki (born 1987), Polish cyclist
 * Maciej Bodnar (born 1985), Polish road racing cyclist
 * Maciej Bydliński (born 1988), Polish alpine skier
 * Maciej Dąbrowski (born 1987), Polish footballer
 * Maciej Gajos (born 1991), Polish footballer
 * Maciej Gębala (born 1994), Polish handball player
 * Maciej Górski (born 1990), Polish footballer
 * Maciej Hreniak (born 1989), Polish swimmer
 * Maciej Iwański (born 1981), Polish footballer
 * Maciej Janowski (born 1991), Polish speedway rider
 * Maciej Jewtuszko (born 1981), Polish mixed martial artist
 * Maciej Korzym (born 1988), Polish footballer
 * Maciej Kot (born 1991), Polish ski jumper
 * Maciej Lampe (born 1985), Polish basketball player
 * Maciej Pałyszko (born 1978), Polish hammer thrower
 * Maciej Piaszczyński (born 1989), Polish speedway rider
 * Maciej Pospieszyński, Polish glider aerobatic pilot
 * Maciej Rybus (born 1989), Polish footballer
 * Maciej Skorża (born 1972), Polish football manager
 * Maciej Śliwa (born 2001), Polish footballer
 * Maciej Staręga (born 1990), Polish cross-country skier
 * Maciej Szczęsny (born 1965), Polish footballer
 * Maciej Urbańczyk (born 1995), Polish footballer
 * Maciej Zieba (born 1987), Polish-German footballer
 * Maciej Żurawski (born 1976), Polish footballer
 * Maciej Kowalczyk (born 2002), Polish-American hockey player and expert computer scientist

Other

 * Maciej Cegłowski, Polish-American web developer and writer, owner of the bookmarking service Pinboard
 * Maciej Aleksy Dawidowski (1920–1943), Polish anti-Nazi resistance fighter
 * Maciej Dziewoński (died 1794), Polish priest and Russian spy
 * Maciej Franz (born 1969), Polish historian
 * Maciej Kranz (born 1964), Polish-American Silicon Valley executive
 * Maciej Kuroń (1960–2008), Polish chef, culinary publicist and journalist
 * Maciej Łubieński (1572–1652), primate of Poland and archbishop of Gniezno
 * Maciej Miechowita (1457–1523), Polish renaissance scholar, professor of Jagiellonian University, historian, chronicler, geographer, and medical doctor
 * Maciej Rybiński (1945–2009), Polish journalist, publicist, satirist and writer
 * Maciej Kazimierz Sarbiewski (1595–1640), Europe's most prominent Latin poet of the 17th century
 * Maciej Stachowiak (born 1976), Polish-American software developer and notable proponent for open source software and web standards, and a leader of the WebKit development team.
 * Maciej Stoiński (born 1972) Polish businessman and CEO of the Piotr i Paweł supermarket chain.
 * Maciej Stryjkowski (ca. 1547–1593), Polish historian
 * Maciej Sulkiewicz (1865–1920), lieutenant general of the Russian Empire, Prime Minister of Crimea, and Chief of General Staff of Azerbaijani Armed Forces
 * Maciej Zamoyski, Polish nobleman
 * Maciej Zaremba (born 1951), Swedish journalist and author
 * Maciej Zień (born 1979), Polish fashion designer
 * Maciej Żurowski (1915–2003), Polish historian of French literature and translator