Jack Crusher
- Full Name: Jack Crusher
- Species: Human
- Gender: Male
- Wife: Beverly Crusher (2348 - 2354)
- Son: Wesley Crusher
- By 2348: Lieutenant commander, chief science officer, Starfleet; USS Stargazer (TNG: "Family")
- Death: 2354, USS Stargazer; KIA (TNG: "Encounter at Farpoint", "The Bonding", "Violations", "Attached"; TNG Novel: Reunion)
- Lost while attempting to severe starboard warp nacelle after encounter with Nensi phenomenon (TNG Novel: Reunion)