Trull is an English language surname. It may refer to:
Andrew Trull (1956–2004), British scientist
Don Trull (born 1941), American football player
Frankie Trull (born 1958), American lobbyist
Ilmar Trull (born 1957), Estonian poet, children's writer, illustrator and caricaturist
John Trull (1738–1797), American military leader
Teresa Trull (born 1950), American singer