Tabitha St. Germain (born 1962 or 1963), formerly known as Paulina Gillis and also known as Kitanou St. Germain, is a Canadian actress. Her best known roles include Shana in Shakugan no Shana, Roberta in Black Lagoon, Naomi Misora in Death Note, the title character in Pucca, Heloise in Jimmy Two-Shoes, Cheer Bear in Care Bears: Adventures in Care-a-Lot, the title character in Martha Speaks, Rarity and Princess Luna in My Little Pony: Friendship Is Magic, Pepper Clark in Littlest Pet Shop and Milo Powell in Captain Flamingo.

Tabitha St. Germain, formerly known as Paulina Gillis, was born in Boston, Massachusetts to Canadian parents. She attended private schools in South Africa while her father worked for development agencies in Swaziland. She made her first stage appearance at age 8 as Tiny Tim in a production of A Christmas Carol, and then made frequent appearances in Gilbert and Sullivan operettas. She moved to Canada in 1980 and studied theatre at Dalhousie University in Halifax, Nova Scotia, making her professional debut in South Pacific at Huron County Playhouse. Gillis was raised in the Catholic faith, but left it and found another which, by 1984, she also abandoned. She won a Dora Award in 1995 for her performance in Assassins, the Stephen Sondheim musical. She legally changed her name to Tabitha St. Germain in November 1997.