Finding a SIGGRAPH attendee is often dependent on knowing their hotel. On this Wiki page, list your name and hotel (and room if you are feeling risque). For more information on the local hotels, check out Hotel Information.

Ronen Barzel - Wilshire Grand A.K.A. The Headquarters - Figueroa Hotel
Sascha Becker - Wilshire Grand
danah boyd - car + nice people's spare floors
Jason Brackman - Westin
Noriyuki Fujimura - Backpacker's style
Jonathan Gibbs - Wilshire Grand
Eric Haines - Figueroa, aka the close one - Westin
Suresh Venkatasubramanian - Wilshire Grand