Trevisan (or Trévisan) is a Venetian surname, and may refer to:
Bernard Trevisan (Bernard of Treviso, Bernardus Trevisanus; 1406–1490), Italian alchemist(s)
Dalton Trevisan (born 1925), Brazilian author
Eva Trevisan (born 1980), Italian softball player and Olympic competitor
Iracema Trevisan Carneiro (born 1981), Brazilian musician and fashion designer
João Silvério Trevisan (born 1944), Brazilian writer
Luca Trevisan (born ?), Italian professor of computer science at Stanford University
Ludovico Trevisan (1401–1465), Venetian Catholic cardinal
Massimo Trevisan (born 1968), Italian swimmer and Olympic competitor
Matteo Trevisan (born 1989), Italian tennis player
Ruggero Trevisan (born 1990), Italian rugby player
Stéphane Trévisan (born 1974), French footballer
Trevor Trevisan (born 1983), Italian footballer
Vittore Benedetto Antonio Trevisan de Saint-Léon (1818–1897), Italian botanist