March 2-3, 2012
Stellarcon
High Point, NC
Science fiction and fantasy
Literary guest of honor: Patrick Rothfuss
Writing guests: Michael A. Stackpole, Michael Z. Williamson

March 9-11, 2012
Madicon
Harrisonburg, VA
Science Fiction and Fantasy Convention sponsored by the Science Fiction/Fantasy Guild at James Madison University
Author guests of honor: Leona Wisoker, Jack McDevitt

March 9-11, 2012
MarsCon
Bloomington, IN
Science fiction
Author guest of honor: Catherine Asaro

March 16-18, 2012
All-Con
Dallas, TX
Multi-genre
Author guest: Troy Denning

March 16-18, 2012
Lunacon
Westchester, New York
Science Fiction and Fantasy convention
Author Guests of Honor: John Ringo, Howard Tayler, Tamora Pierce, Andy & Kristin Looney

March 16-18, 2012
Millennicon
Cincinnati, OH
Science Fiction convention
Guest of Honor: Tobias Bucknell

March 16-18, 2012
MomoCon
Atlanta, GA
Anime, gaming, & comics

March 16-18, 2012
Vericon
Cambridge, MA
Science fiction, fantasy, gaming and anime convention
Guest of Honor: Vernor Vinge

March 16-18, 2012
WonderCon
Anaheim, CA
Author guests: Joe Hill, Richard Kadrey

March 17-19, 2012
SheVaCon
Roanoke, VA
Science fiction, fantasy, horror, costuming and gaming
Writer guests of honor: Timothy Zahn, Katherine Kurtz

March 23-25, 2012
AggieCon
College Station, TX
Science fiction

March 22-25, 2012
MidSouthCon
Memphis, TN
Science Fiction and Fantasy
Guest of Honor: Michael A. Stackpole

March 24-26, 2012
Potlatch
Seattle, WA
Literary science fiction and fantasy
Book of honor: A Canticle for Leibowitz by Walter M. Miller, Jr.

March 30-April 1, 2012
I-Con
Science fiction

Author guests: David Weber, Keith R.A. DeCandido and many more