Claire Eccles (born October 25, 1997) is a Canadian baseball player.
She is a left-handed pitcher who throws three pitches, including a knuckleball.
She is a member of the women's national baseball team of Canada, and has competed in the 2014 and 2016 Women's Baseball World Cups as well as the 2015 Pan American Games.
In 2017, she joined the Victoria HarbourCats of the West Coast League and became the first woman to play in that league.
She is also a member of the softball team at the University of British Columbia.