Look up Megaera in Wiktionary, the free dictionary.
Megaera is one of the Erinyes in Greek mythology.
Megaera may also refer to:
- 464 Megaira, an asteroid named after the Erinye
- HMS Megaera (1849), a Royal Navy frigate
- A taxonomic synonym for Trimeresurus, a genus of pit vipers
- Megaera, a character in the video game Hades