Maciej ( [ˈmat͡ɕɛj]) 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:
In entertainment:
Maciej Cieślak (born 1969), Polish guitarist and songwriter
Maciej Dunal (1953–2014), Polish actor and singer
Maciej Fortuna, Polish jazz trumpeter, composer and musical educator
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
In politics:
Maciej Giertych (born 1936), Polish dendrologist and social conservative politician
Maciej Górski (born 1944), 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
Maciej Filip Zegarski (born 1982), Polish politician
In 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 Lampe (born 1985), Polish basketball player
Maciej Pałyszko, 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 Staręga (born 1990), Polish cross-country skier
Maciej Szczęsny (born 1965), former Polish football player
Maciej Urbańczyk (born 1995), Polish footballer
Maciej Zieba (born 1987), Polish-German footballer
Maciej Żurawski (born 1976), retired Polish football player
In other fields:
Maciej Cegłowski Polish-American web developer and writer, owner of the bookmarking service Pinboard.
Maciej Dziewoński (died 1794), Polish priest and Russian spy
Maciej Franz (born 1969), Polish historian
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, Europe's most prominent Latin poet of the 17th century
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, Swedish journalist and author
Maciej Zień (born 1979), Polish fashion designer
Maciej Żurowski (1915–2003), Polish historian of French literature and translator