Costello van Steenis
Fighter · PFL Middleweight
- Nationality
- Spain
- Born
- 1992-07-26
- Birthplace
- Rotterdam, Netherlands
- Height
- 6 ft 1 in (1.85 m)
- Weight
- 185 lb (84 kg)
- Position
- Fighter
Costello van Steenis (born 26 July 1992) is a Dutch-Spanish professional mixed martial artist who currently competes in the middleweight division of the PFL, where he is the current and inaugural PFL Middleweight World Champion. Van Steenis has been a professional MMA fighter since 2014 and has previously competed in Bellator MMA. As of January 27, 2026, he is #4 in the PFL men's pound-for-pound rankings. In August 2025, he reached No. 7 in the middleweight rankings according to Fight Matrix.
