Sallis can refer to:
People Charles Sallis (1934–2024), Mississippi educator, textbook editor Crispian Sallis (born 1959), British art director, son of Peter Hunter Sallis (born 2003), American basketball player James Sallis (1944–2026), American writer James F. Sallis, American psychologist and academic John Sallis (1938–2025), American philosopher Peter Sallis (1921–2017), English actor Susan Sallis (1929–2020), British novelist
Fictional people Dr. Theodore "Ted" Sallis, the Man-Thing, a fictional character in Marvel Comics
Places Sallis, Mississippi Sallis (ruin)