Philip Demers (aka "The Walrus Whisperer") (born March 21, 1978 in Welland, Ontario) was a professional marine mammal trainer at Marineland in Niagara Falls, Ontario. He is best known for his unique relationship with a captive walrus named Smooshi.

Demers’ animal training career began in 2000 at Marineland of Canada where he was employed until August 2012. In 2007, Demers became the focus of mass media attention regarding his unique relationship with a captive Pacific walrus named Smooshi. Their relationship garnered the attention of such television programs as CBC’s The National, Inside Edition, and Jimmy Kimmel Live!. Demers left his position at Marineland citing allegations of negligent treatment of the animals and unhealthy conditions.

Demers was a contestant on Wipeout Canada, becoming the winner of the first episode of the Canadian edition of the show.