|This article is about a/an actress in Power Rangers Zeo, the second installment in the Zordon Era.|
Catherine Sutherland (born October 24, 1974) is an Australian actress who played Katherine Hillard in Mighty Morphin Power Rangers (1995), Power Rangers Zeo (1996), and Power Rangers Turbo (1997). She was born in Sydney, New South Wales, Australia, and is now living in the United States. She later reprised her role in the Super Ninja Steel episode Dimensions in Danger for the 25th anniversary.
- Texas Rangers (2001)
- The Cell (2000)
- On the Beach (2000)
- Money Buys Happiness (1999)
- The Jack Bull (1999)
- Turbo: A Power Rangers Movie (1997)
- Power Rangers Super Ninja Steel (2018)
- Power Rangers Wild Force (2002)
- Power Rangers Time Force (2001)
- State Coroner (1998)
- Power Rangers Turbo (1997)
- Power Rangers Zeo (1996)
- Mighty Morphin' Power Rangers (1995–1996)
- Sweet Valley High (1996)
- Snowy River: The McGregor Saga (1996)
- Pitfall 3-D: Beyond the Jungle (1997)
- Coins - Katherine Hillard (2018) 
- The Order - Erika
The Dream Factory (2000)
- Power Rangers Dino Thunder
- Legacy of Power (2004)
- The Lost Episode (1999)
- Power Rangers Funniest Moments (1998)
- Power Rangers Turbo
- The Good, the Bad, and the Stupid (1995)
- She has also been doing dance and ballet since she was four.
- She has two children, a girl and a boy.
- She admits to faking the thirty-second martial arts routine required during the Power Rangers auditions.
- Played the only Pink Ranger to have 3 different sets of powers.
- She's the only Ranger to morph or at least tried to morph into two different power sources in the movie Turbo: A Power Rangers Movie.
- Was the first actor on Power Rangers to be from Australia. This predated the Disney-era practice of casting Australian and New Zealand actors, although they played American characters.
- Was supposed to make an appearance in the Power Rangers 10th Anniversary episode "Forever Red" (as Tommy's wife), but her scene was cut due to time.
- Tried out for the role of Dulcea in Mighty Morphin Power Rangers: The Movie. This was also how she was discovered and asked to be on the show when Amy Jo Johnson wanted to leave so she could pursue other acting opportunities.
- Though her character of Kat was introduced to her Shark Cycle, she never used it at all.
- Quit acting and became a personal trainer.
- She has appeared in the 4th of July commercial for Rice Crispies.
- Has a similar name to her character (Catherine, Katherine); only difference is the spelling.
- She's the second Power Ranger actor to appear in Sweet Valley High, the first was Jason David Frank.
- Her favorite series was Turbo, preferring the storylines and the villains to Zeo. 
- Sutherland has said that she did not agree with the writer's decision to make Kat and Tommy a couple.