Cathy Cunningham (born December 30, 1959 in St. John's, Newfoundland) is a Canadian curler. Cunningham played in her first Tournament of Hearts, Canada's national women's curling championship, in 1988 as a third for Maria Thomas. The team finished 6-5. Cunningham returned again in 1991 as a skip but finished with a 2-9 record. In 1993 she returned again, playing third for Thomas once again, this time finishing with a 5-6 record. The next year she joined up with Laura Phillips and the team lost in their final tie-breaker match to Sherry Anderson of Saskatchewan. Cunningham was Phillips' third for the next three Tournament of Hearts, finishing with a 5-6 record in 1995 and 1996 and losing to Alison Goring of Ontario in the 1997 semi-final.