Sweet & Bitter Magic by Adrienne Tooley
Edie in Between by Laura Sibson
Witches of Ash and Ruin by E. Latimer
These Witches Don’t Burn by Isabel Sterling
Labyrinth Lost by Zoraida Córdova
Bonus: These are all YA, but if you’re looking for Adult, check out Payback’s a Witch by Lana Harper and, for a bi witch in an m/f romance, Boss Witch by Ann Aguirre