Koh Preab, Khmer: កោះព្រាប , "Dove Island", named "Île du Départ" during the French colonial period is an island of Cambodia, situated in the Bay of Kompong Saom Sihanoukville Province near its south-eastern coast. This small island has been integrated into the local harbor's breakwater just north of the Sihanoukville Autonomous Port. The estimated terrain elevation above sea level is 3 meters. A unit of the Royal Cambodian Navy is based on the island.

• Koh Rong
• Koh Rong Sanloem
• List of islands of Cambodia
• List of Cambodian inland islands
• Koh Kong

• list of Cambodia's islands
• Koh Preab (Kaoh Preab)
• The geographical name data for Kaôh Préap in Cambodia

10°40′N 103°30′E / 10.667°N 103.500°E / 10.667; 103.500