Family
- father Frank Stallone Sr: Italian immigrant; divorced Jackie when Sylvester Stallone was ten
- step-father Steve Levin: Married Jacqueline Stallone Nov. 13, 1998
- mother Jacqueline Stallone: Born c. 1931; has been married several times; danced at Billy Rose's Diamond Horseshoe
- brother Frank Stallone: Born in 1950
- half-sister Toni-Ann Dialto: Mother, Jacqueline Stallone
- half-brother Dante Stallone: Born in 1997; son of Frank Stallone Sr. and his fourth wife
- son Sage Stallone: Born May 5, 1976; mother, Sasha Stallone; made film debut in "Rocky V" (1990) and appeared with his father in the 1996 disaster movie Daylight; co-founded Grindhouse Releasing in 1996; directed his first short film which screened at the 2006 Palm Springs Film Festival
- son Seth Stallone: born autistic in 1979; mother, Sasha Stallone
- daughter Sophia Rose Stallone: Born Aug. 27, 1996; mother, Jennifer Flavin; born with a hole in her heart, underwent surgery in November 1996 to correct problem
- daughter Sistine Rose Stallone: Born June 27, 1998; mother, Jennifer Flavin
- daughter Scarlet Rose: Born May 25, 2002; mother, Jennifer Flavin
Companions
- Angie Everhart: engaged to be married as of April 1995; no longer together as of June 1995
- Janice Dickerson: believed Stallone to be the father of her daughter; when blood test proved otherwise, he ended relationship
- Janine Turner: dated
