Mart is a masculine given name in Dutch, Estonian and less often in English.
People named Mart include:
Mart Bax (born 1937), Dutch anthropologist
Mart Bras (born 1950), Dutch water polo player
Mart Crowley (born 1935), American playwright
Mart Dijkstra (born 1990), Dutch footballer
Mart Duggan (1848–1888), American gunfighter and lawman
Mart Green, American businessman
Mart Helme (born 1949), Estonian historian, journalist, diplomat and politician
Mart Kadastik (born 1955), Estonian journalist
Mart Kenney (1910–2006), Canadian jazz musician
Mart Kuusik (1877–1965), Estonian rower
Mart Laar (born 1960), Estonian politician and historian
Mart Laga (1936–1977), Estonian basketball player
Mart Lieder (born 1990), Dutch footballer
Mart McChesney (1954–1999), American actor
Mart Murdvee (born 1951), Estonian psychologist and scholar
Mart Nooij (born 1954), Dutch football manager
Mart Nutt (born 1962), Estonian politician and historian
Mart Ojavee (born 1981), Estonian cyclist
Mart Poom (born 1972), Estonian football goalkeeper
Mart Port (1922–2012), Estonian architect
Mart Raud (1903–1980), Estonian poet, playwright and writer
Mart Saar (1882–1963), Estonian composer
Mart Sander (born 1967), Estonian singer, actor, director, author and television host
Mart Siimann (born 1946), Estonian politician
Mart Smeets (born 1947), Dutch journalist
Mart Stam (1899–1986), Dutch architect and furniture designer
Mart Ummelas (born 1953), Estonian journalist