I think Sherrilyn Kenyon does and also Lori Foster but I can't recall what they are.

Sherri

Here is a link to a listing.  Lots of names!

www.likesbooks.com/alias.html

Sharon Sala - Dinah McCall

S. L. Viehl (sci-fi); Lynn Viehl (paranormal romance)

Nora Roberts - J. D. Robb (futuristic romance)

Laura Resnick (fantasy) - Laura Leone (romance)

Here are some of the more popular names off of Cindy B's list....

Madeline Baker is also Amanda Ashley

Jessica Bird is also J.R. Ward

Suzanne Brockmann is also Anne Brock

Patricia Cabot is also Meg Cabot and Jenny Carroll

Candace Camp is also Lisa Gregory, Kirstin James and Sharon Stephens

Justine Davis is also Justine Dare

Sabrina Jeffries is also Deborah Martin

Dorothy Garlock is also Dorothy Phillips, Johanna Phillips and Dorothy Glenn

Kay Hooper is also Kay Robbins

Judith Ivory is also Judy Cuevas

Jayne Ann Krentz is also Amanda Quick (historicals), Amanda Glass, Jayne Bentley, Jayne Castle (futuristics), Jayne Taylor, Stephanie James

Elizabeth Lowell is also Ann Maxwell, A.E. Maxwell, Annalise Sun and Lowell Charters

Katie MacAlister is also Katie Maxwell

Tara Janzen is also Glenna McReynolds

Dinah McCall is also Sharon Sala

Linda Lael Miller is also Lael St. James

Carla Neggers is also Amalia James

Diana Palmer is also Diana Blayne, Susan Kyle and Katy Currie

Susan Elizabeth Phillips is also Justine Cole w/Claire Kiehl

Theresa Weir is also Anne Frasier

Ruth Wind is also Barbara Samuel