In the mirror universe, Kevin Thomas Riley was a Terran serving in the Imperial Starfleet during 23rd century. In 2277 he became first officer of the ISS Enterprise under the command of Grand Admiral Spock after the execution of his previous XO, Willard Decker. When Spock was crowned Emperor of the Terran Empire Riley became captain of the Enterprise and held the position for at least the next seven years. (TOS novel: The Sorrows of Empire)

First officers of the starships Enterprise
Enterprise (NX-01)	Tucker • T'Pol
USS Enterprise (NCC-1701)	Kirk • Shundresh • Simon • Pike • Number One • Spock • Decker • Sulu
USS Enterprise (NCC-1701) (alternate reality)	Spock • Kirk
USS Enterprise (NCC-1701-A)	Spock
USS Enterprise (NCC-1701-B)	Dane • Sulu • Linojj
USS Enterprise (NCC-1701-C)	Carmona • Holmes • al-Halak • Tholav
USS Enterprise (NCC-1701-D)	Riker • Kurn • Stone • Shelby • Data
USS Enterprise (NCC-1701-E)	Riker • Madden • Worf
USS Enterprise (NCC-1701-F) (STO alternate reality)	Winters
ISS Enterprise (NX-01)	Archer
ISS Enterprise (NCC-1701)	Kirk • Spock • Scott • Decker • Riley
ISS Enterprise (NCC-1701-D)	Riker
ISS Enterprise (NCC-1701-E)	Riker • Lore

Commanding officers of the ships Enterprise
Enterprise (NX-01)	Archer
USS Enterprise (NCC-1701)	Rasmussen • April • Pike • Vlasidovich • Kirk • Zarlo • Decker • Spock
USS Enterprise (NCC-1701) (alternate reality)	Pike • Spock • Kirk
USS Enterprise (NCC-1701-A)	Kirk
USS Enterprise (NCC-1701-B)	Harriman • George • Sulu • Johnson
USS Enterprise (NCC-1701-C)	Garrett • Castillo
USS Enterprise (NCC-1701-D)	Picard • Riker • Jellico
USS Enterprise (NCC-1701-E)	Bateson • Picard • Riker • Data
USS Enterprise (NCC-1701-F) (possible futures)	Picard • Riker • Data • Shon
ISS Enterprise (NX-01)	Forrest
ISS Enterprise (NCC-1701)	Franz • Pike • Kirk • Spock • Riley • Saavik
ISS Enterprise (NCC-1701-A)	Pavel Chekov
ISS Enterprise (NCC-1701-D)	Jean-Luc Picard
ISS Enterprise (NCC-1701-E)	Jean-Luc Picard