Keach

Keach is the surname of the following people:
 * Benjamin Keach (1640–1704), English Baptist preacher and author
 * Keach's Catechism
 * James Keach (born 1947), American actor, producer, and director
 * Scott Keach (born 1965), Australian equestrian
 * Stacy Keach Jr. (born 1941), American actor, brother of James
 * Stacy Keach Sr. (1914–2003), American actor, father of James and Stacy Jr.