Assumign that by "lesbian artists" you mean "artists who draw lesbian couples almost to the exclusion of everything else"

I've been on FA for around 3 years and It's extremely rare. I haven't found any artists who exclusively do lesbians. Most furries are gay or bisexual men. Personally, i do almost exclusively lesbian stories, but they're too filthy for most audiences and everyone I meet is constantly begging me to use herms. So i feel your pain.

This guy seems relatively committed to F/F couples, but he's pretty tits-oriented, not sure if that's your thing:
http://www.furaffinity.net/user/pcaduck/

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...If, on the other hand, you want to watch more artists who are actually lesbians in real life, then I have no idea how you would go about confirming that. :|

yeah the title is a bit misleading, my bad :pp thank you tho!