Antoinette Lemaitre was a Manticoran citizen and an officer of the Royal Manticoran Navy.

She was dark haired, dark skinned and thin, with intense brown eyes, and radiated energy.

Holding the rank of Commodore, she was a member of Captain Lord Pavel Young's court martial and vigorously opposed conviction on any count. She stated that Honor Harrington's combat record proved that Honor lacked self-control and was mentally unstable. She was also a member of the Weapons Development Board's jeune ecole and was widely considered an excellent tactician. (HH4)