| Khmer National Navy | |
|---|---|
| កងទ័ពជើងទឹកជាតិខ្មែរ (Khmer) Marine nationale khmère (French) | |
 Khmer National Navy jack (1970–1975) | |
| Founded | 1 March 1954 as the Royal Khmer Navy 9 October 1970 as the Khmer National Navy |
| Country |  First Kingdom of Cambodia Khmer Republic (Cambodia) |
| Allegiance | 1st Kingdom of Cambodia (1954-1970) Khmer Republic (1970-1975) |
| Type | Navy |
| Role | Naval warfare Brown-water navy Amphibious warfare Coastal defense Counter-insurgency Close-quarters combat Direct fire Force protection Jungle warfare Raiding Forward observer Reconnaissance VBSS |
| Size | 16,500 men, 171 ships, boats and other vessels (at height in 1974) |
| Part of | Royal Khmer Armed Forces (1954-1970) Khmer National Armed Forces (1970-1975) |
| Garrison/HQ | Chrui Changwar Naval Base (Main base) Norodom Boulevard, Phnom Penh (Headquarters) |
| Nickname(s) | MNK |
| Colours | Navy blue, Pale stone |
| Anniversaries | 1 March – MRK Day 9 October – MNK Day |
| Engagements | Cambodian Civil War Vietnam War |
| Commanders | |
| Notable commanders | Vong Sarendy |
The Khmer National Navy (Khmer: កងទ័ពជើងទឹកជាតិខ្មែរ; French: Marine nationale khmère, MNK) was the naval component of the Khmer National Armed Forces (FANK), the official military of the Khmer Republic during the Cambodian Civil War between 1970 and 1975.