Family
- father Dennis Cattrall:
- mother Shane Cattrall:
- siblings : Has three; Kim is the second oldest
Companions
- husband : first husband; Canadian; briefly married when she was in her early 20s
- Companion Daniel Benzali: Born in 1950; briefly engaged in 1996; no longer together
- Companion Jonathan Silverman: Dated in late 1980s; no longer together
- Companion Pierre Trudeau: Briefly dated; no longer together
- husband Andreas Lyson: German; married in 1982; separated c. 1987; divorced in 1989
- Daniel Benzali: engaged as of August 1996; separated; reconciled in 1997; no longer together
- Jonathan Silverman: dated in the late 1980s; no longer together
- husband Mark Levinson: born c. 1947; married on September 4, 1998 in East Hampton, New York
- husband Larry Davis: Canadian; married from 1977-1979; marriage to Davis was annulled
- husband Mark Levinson: Born c. 1947; married Sept. 4, 1998 in East Hampton, NY; divorced in 2004
- Companion Cuttino Mobley: Played for the Houston Rockets; briefly dated in 2004; no longer together
- Companion Alan Wyse: Canadian; Wyse is 20 years her junior; together from 2004-2009
