Draft:Mary Kay (disambiguation)

Mary Kay Inc. is an American privately owned multi-level marketing company.

Mary Kay may also refer to:
 * Mary Kay (landscape photographer), Greek landscape photographer
 * Mary Kay Ash (1918–2001), American businesswoman; founder of Mary Kay Cosmetics, Inc.
 * Mary Kay Becker (born 1946), American judge, former paralegal, politician, and newspaper editor
 * Mary Kay Bergman (1961–1999), American voice actress
 * Mary Kay Henry (born 1958), American labor union activist
 * Mary Kay Letourneau (1962–2020), American sex offender and teacher
 * Mary Kay Lobo (born 1975), American psychiatric neuroscientist and professor
 * Mary Kay Magistad, American journalist and correspondent
 * Mary Kay O'Brien (born 1965), American judge and politician
 * Mary Kay Papen (born 1932), American politician
 * Mary Kay Place (born 1947), American actress
 * Mary Kay Stearns (1925–2018), American actress
 * Mary Kay Stein, American mathematics educator
 * Mary Kay Vyskocil (born 1958), American district judge
 * Mary-Kay Wilmers (born 1938), American editor and journalist
 * Mary Kay Zuravleff (born 1960), American short story writer, novelist, and professor