| Mlakva | |
| Native Name: | Млаква |
| Settlement Type: | Village |
| Pushpin Map: | Croatia |
| Pushpin Label Position: | bottom |
| Coordinates: | 44.6992°N 15.2883°W |
| Subdivision Type: | Country |
| Subdivision Type1: | County |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Perušić |
| Unit Pref: | Metric |
| Area Footnotes: | [1] |
| Area Total Km2: | 20.4 |
| Elevation M: | 508 |
| Population As Of: | 2021 |
| Population Total: | 31 |
| Population Density Km2: | auto |
| Timezone1: | CET |
| Utc Offset1: | +01:00 |
| Timezone1 Dst: | CEST |
| Utc Offset1 Dst: | +02:00 |
Mlakva is a village in Perušić municipality, Croatia.
During World War II, as part of their genocide targeting ethnic Serbs, the Croatian fascist Ustaše regime killed and burned more than 280 Serb villagers in Mlakva on 6 August 1941, including 191 children.[2]
The 2011 population was 51.