Tommasini is a surname of the following people:

Alfredo Tomassini (1964–1987), Peruvian football player David Tomassini (born 2000), Sammarinese footballer Fabio Tomassini (born 1996), Sammarinese footballer Henrique Tomassini (1899–1975), Brazilian rower Roberto Tomassini (born 1962), Sammarinese cyclist Simone Tomassini (born 1974), Italian cantautori

See also Tomasin, a similar name Tommasini, a similar name Tomasini, a similar name