<Nope.

Venus Terzo does Female Ranma
Lisa Ortiz does Lina (and they both do a pretty good job if you ask 
me.)>

True.

However, at last years I-CON they had Lisa as a guest for a special 
fan dubbing of the opening scene in Ranma Movie 2: Nihao My Concubine 
and she did a pretty mean Ranma-chan.

The Flashman

May The Spirit Preserve You!