Martin, who is slated to return to Broadway in the 2012 revival of Evita, will be presented with the Vito Russo Award "for promoting equality of the LGBT community" during the March 19 New York ceremony at the Marriot Marquis. Chenoweth (Wicked and Promises, Promises) will be honored with the Vanguard Award in Los Angeles on April 10 at the Westin Bonaventure Hotel.

A selection of the previously announced nominees follow:

Outstanding Drama Series
"Brothers & Sisters"
"Degrassi"
"Grey's Anatomy"
"Pretty Little Liars"
"True Blood"

Outstanding Comedy Series
"Glee"
"GREEK"
"Modern Family"
"Nurse Jackie"
"United States of Tara"

Outstanding Los Angeles Theater
Dr. Cerberus by Robert Aguirre-Sacasa
Haram Iran by Jay Paul Deratany
Revolver by Chris Phillips
Something Happened by L. Trey Wilson
The Twentieth-Century Way by Tom Jacobson

Outstanding New York Theater: Broadway & Off-Broadway
In the Wake by Lisa Kron
The Kid, book by Michael Zam, lyrics by Jack Lechner, music by Andy Monroe
Passion Play by Sarah Ruhl
The Pride by Alexi Kaye Campbell
Secrets of the Trade by Jonathan Tolins

Outstanding New York Theater: Off-Off Broadway
Lay of the Land by Tim Miller
Let Them Eat Cake by Holly Hughes, Megan Carney and Moe Angelos
This One Girl's Story, book by Bil Wright, music and lyrics by Dionne McClain-Freeney
Vaginal Davis Is Speaking from the Diaphragm by Vaginal Davis
When Last We Flew by Harrison David Rivers

The GLAAD Media Awards "recognize and honor media for their fair, accurate and inclusive representations of the lesbian, gay, bisexual and transgender community and the issues that affect their lives."

For a complete list of nominees, visit GLAAD.org/mediaawards.