All surviving Spartans (Spartan II's-Spartan IV's)

This list does NOT include washouts, only active Spartans 
Spartan II
[Fred-104
Kelly-087
Linda-058]-Blue Team
Naomi-010
[Adriana-111
Jai-006
Mike-120]-Grey Team (Unknown status, assumed alive)
[Jerome-092
Douglas-042
Alice-130]-Red Team (Currently adrift, aboard "UNSC Spirit of Fire")
Maria-062 (Retired)

Spartan III
Alpha Company
Jun-A266

Beta Company
Lucy-B091
Tom-B292

Gamma Company
No names of surviving Gamma members were ever mentioned, but most left onyx before the battle, so seeing what happened to all the other III's that were sent on missions, I hold to my belief that most have been KIA.

Spartan IV
Sarah Palmer
Jared Miller
Carmichael
Robert Dalton
Fireteam Apex
Fireteam Avalanche
Fireteam Crimson 
Fireteam Colossus
Fireteam Domino
Fireteam Fenrir
Fireteam Forrest
Fireteam Horse
Fireteam Ivy
Fireteam Kodiak
Fireteam Lancer
Fireteam Majestic
Fireteam Rhino
Fireteam Shadow
Fireteam Sword
Fireteam Switchback
Fireteam Sidney
Fireteam Talon
Fireteam Tower
Fireteam Wolf
Naiya Ray
Vladimir Scruggs (Traitor)


Credit: Thanks to Halo Canon for posting the very helpful list of these. Link to his video here-https://www.youtube.com/watch?v=d2qVBX2jCKE