Af Forselles is a surname and a noble family in the Swedish and Finnish nobilities.
Notable people with the surname include: Arthur af Forselles (1864–1953), Finnish physician and politician Cecilia af Forselles (born 1954), the National Librarian of Finland Jenny af Forselles (1869–1938), Finnish teacher and politician Louise af Forselles (1850–1934), Finnish philanthropist Sigrid af Forselles (1860–1935), Finnish sculptor Virginia af Forselles (1759–1847), Finnish ironmaster