Cayley Mercer (born January 18, 1994) is a women's ice hockey player.
Having played with the Clarkson Golden Knights women's ice hockey program from 2013 to 2017, she was a Top-3 finalist for the 2017 Patty Kazmaier Award.
Her career at Clarkson saw her win two Division 1 National Championships with the Golden Knights, and she graduated as the programs all-time leader in career goals scored, and second all time in career points.
She was the first-ever player selected by the Vanke Rays, taken seventh overall in the 2017 CWHL Draft.
Mercer finished second in CWHL with 41 points in 28 games, behind only Kelli Stack.