Miles Vorkosigan. Chest blown in by a needle grenade, what’s left frozen, then repaired ( mostly ) and revived. From the Vorkosigan series.
Marcus Jefferson Wall : Assassinated, then revived as an uploaded computer program. From the Matador series.
Ma’ar, aka Falconsbane, Darkness and many other names, from the Valdemar books. An evil mage who returned from death repeatedly, stealing people’s bodies.
Sam, aka Siddhartha and Lord Kalkin, from Lord of Light. Executed, but came back, because a Rakasha had “strengthend his fires” so mere bodily death couldn’t destroy him.
The entire crew of the Enterprise, repeatedly, in the time loop episode where they kept crashing into the time travelling Bozeman and resetting to the start of the loop.
Wakim, aka Set the Destroyer from Creatures of Light and Darkness. Killed while fighting Jehovah by a treacherous blow from The Hammer That Smashes Suns. Sent to the House of the Dead and existed as the amnesiac slave of Anubis for a thousand years. Given back his life to kill The Prince Who Was A Thousand, but regained his memory.
Durnik, the Man With Two Lives from the Belgariad. Killed by the Apostate and revived.
Horse the horse from the Belgariad. Died when born, revived by Belgarion.
Hawk and Fisher from the Hawk and Fisher books. Died, and were restored after persuading the army of dead animals to relent from ravaging Haven.
Vanyel from the Valdemar books. Suffers a fatal wound and is given a choice between life and death, chooses life, reluctantly.
Do undead count ? Then there’s Deadboy from the Nightside books. And many others. Innumerable vampires.