In Revenge of the Fallen, there are a few small female characters seen in the desert fight, but they are swiftly killed off. So, yes, there are female Cybertronians, but appearances are few and far between. read more
Azimuth - A female Transformer (Pre-Autobot/Decepticon) and leader of a movement known as the Patterners as recounted in Transformers: The Covenant of Primus. She is known to have considered Galvatron, leader of the Random movement, her greatest enemy. read more