Ron Waterman (born November 23, 1965), also known as Ron "H2OMan" Waterman, is an American mixed martial artist (MMA), professional wrestler and celebrity member of the Team Impact motivational group.

He holds notable victories over Ricco Rodriguez and Kevin Randleman.

Waterman began his career as a high school art teacher and wrestling coach eventually entering the professional MMA arena and becoming a respected veteran fighter of the UFC.

Later, Ron moved on to the pro wrestling scene via Ohio Valley Wrestling where he honed his skills during a developmental deal with World Wrestling Entertainment. Waterman went on to tour with the WWE doing house and dark matches across the country. Waterman continues to wrestle in Japan, while simultaneously maintaining a successful career in the MMA circuit and making regular appearances with Team Impact. He also appeared on CZW shows as a part of team Softcare Connection as Ty Street.

Waterman is coming off two back to back losses in MMA competition. Former UFC HW champion Ricco Rodriguez beat him by TKO (doctor's stoppage) at the WFA: King of the streets show,and ADCC champion Roger Gracie of the legendary Gracie family making his MMA debut handed Ron his first ever submission loss (by armbar) at the BodogFight U.S. vs Russia pay-per-view show.

Mirko Cro Cop has stated that Ron Waterman has been the strongest opponent he has ever faced. Ron Waterman has recently won his last fight against Mario "Big Hurt" Rinaldi at "Art OF War 3" on September 4th 2007. Waterman Won via TKO in the first round. On January 26th Waterman faced Analu Brash at X-1 event and won by submission.