Dimas (Greek: Δήμας) is a Greek, Portuguese and Spanish surname derived from the biblical Saint Dimas. It is the surname of:
Andy San Dimas (born 1986), American pornographic actress.
Angger Dimas (born 1988), Indonesian electronic musician.
Christos Dimas (born 1980), Greek politician.
Emanuel Dimas de Melo Pimenta (born 1957), Brazilian musician and architect.
Eva Dimas (born 1973), Salvadoran weightlifter.
Evan Dimas (born 1995), Indonesian national team footballer.
Irma Dimas (born 1986), Salvadoran model and beauty queen.
José Romão Dimas (born 1930), Portuguese association footballer.
Pedro Dimas (born 1934), Mexican musician and composer.
Pyrros Dimas (born 1971), Greek weightlifter.
Stavros Dimas (born 1941), Greek politician, government minister and European commissioner.
Trent Dimas (born 1970), American Olympic gymnast.
