The Eighth Order was a division of the Cardassian military.

Gul Benil was a commander in the Eighth Order in 2371 when he was under orders of the Central Command to stop and search all ships entering Cardassian space due to increased Maquis activity in the sector under his jurisdiction. (DS9: "Second Skin")

Cardassian Orders
First Order • Second Order • Third Order • Fourth Order • Fifth Order • Sixth Order • Seventh Order • Eighth Order • Ninth Order • Eleventh Order • Twelfth Order • Obsidian Order