Fates of the Jedi participants in the Battle of Geonosis:

Mace Windu leads 200 Jedi to Geonosis in their Jedi starfighters. 100 of them participate in the arena battle.

ARENA JEDI: SURVIVOR RING
Obi-Wan Kenobi, Mace Windu, Padmé Amidala (not a Jedi), Anakin Skywalker, Shaak Ti, Agen Kolar, Luminara Unduli, Stass Allie, Bultar Swan, Roth-Del Masona , Sora Bulq, Saesee Tiin, Tarados Gon , Kit Fisto, Joclad Danva (possibly killed during gunship arrival), Ki-Adi-Mundi, Plo Koon, Aayla Secura [AOTC]

ARENA JEDI: OTHER SURVIVORS
Alta Ranga (concept art only) [AOAOTC]
Barriss Offee [AOTC]
Even Piell [SWT14]
Kai Justiss [AOTCC]
Pablo-Jill [AOTC]
Quinlan Vos [AOTCC]

ARENA JEDI: KILLED IN ACTION
Coleman Trebor [AOTC]
Chankar Kim [YDR]
Ichi-Tan Micoda [SW.COM]
Lura Tranor [SWI79]
Sarrissa Jeng [AOTC]
Tan Yuster [SW.COM]
Tu'ala [SWT14]
Ur-Sema Du [AOTCC]

ARENA JEDI: FATE UNKNOWN (LIKELY DEAD)
Fi-Ek Sirch [DC03]
Khaat Qiyn [IWAOTC]
Galdos Stouff [IWAOTC]
Lumas Etima [DC03]
Nicanas Tassu [SW.COM]
Que-Mars Redath-Gom [DC03]
Sar Labooda [SW.COM]
Sephjet Josall [SW.COM]
Sta-Den Eekin [IWAOTC]

OUTSIDE ARENA JEDI: SURIVIVORS
Adi Gallia [JSF]
A'Sharad Hett [JSF]
Bant Eerin [JSF]
B'dard Tone [GGC]
the Dark Woman [JSF]
Echuu Shen-Jon [GBCC]
Jaizen Suel [JSF]
Rana [JSF]
Ranik Solusar [JSF]
Siri Tachi [JSF]
Voolvif Monn [CWTV]

REINFORCEMENTS WITH CLONE ARMY
Yoda [AOTC]

OUTSIDE ARENA JEDI: KILLED IN ACTION
Eeth Koth [IWAOTC]
Stam Reath [GBCC]
Tarados Gon [IWAOTC]

ONCE PRESUMED DEAD BUT ACTUALLY SURVIVED
Sora Bulq (eventually joins Count Dooku)
Saesee Tiin (broke horn)

SOURCE CODE KEY:
AOAOTC: Art of Star Wars: Attack of the Clones
AOTC: Attack of the Clones
AOTCC: Attack of the Clones Comic Adaptation
CWTV: Clone Wars Volume 1 Micro-series
DC03: Star Wars Saga Daily Calendar 2003
GBCC: Galactic Battlegrounds: Clone Campaigns
GGC: General Grievous comic series
IWAOTC: Inside the Worlds of Star Wars Attack of the Clones
JSF: Jedi Starfighter
SWI79: Star Wars Insider #79
SWT14: Star Wars Tales #14
SW.COM: starwars.com - The Official Star Wars Web Site
YDR:Yoda: Dark Rendezvous

Casualties of the Jedi Order thread