Brittany Lena Elizabeth Kassil (born 14 March 1991) is a Canadian rugby union player.

Kassil was born in Mississauga, Ontario, and lived in Markham before moving with her family to Guelph in Grade 7.

She attended Centennial Collegiate Vocational Institute and was introduced to rugby by friends.

[1] Kassil competed for Canada at the delayed 2021 Rugby World Cup in New Zealand.

[4][5] In 2023, She was named in Canada's squad for their test against the Springbok women and for the Pacific Four Series.