Meg Riehm (メグ・リーム Megu Rīmu?) is a character from the manga Mobile Suit Gundam Thunderbolt, the second season of its OVA adaptation and subsequent compilation movie.
A member of the Earth Federation Forces, her rank is sergeant major. She a member of the bridge crew of the Pegasus-class assault carrier Spartan. The Spartan's captain, Vincent Pike, was also her late father's commanding officer, and became his brother-in-law, and Meg's uncle, when he married his sister.