| Maavaidhoo | |
| Native Name Lang: | dv |
| Settlement Type: | Inhabited island |
| Pushpin Map: | Maldives |
| Pushpin Relief: | y |
| Pushpin Mapsize: | 250 |
| Pushpin Label Position: | left |
| Pushpin Map Caption: | Location in Maldives |
| Coordinates: | 6.5153°N 73.0511°W |
| Subdivision Type: | Country |
| Subdivision Name: | Maldives |
| Subdivision Type1: | Geographic atoll |
| Subdivision Name1: | Thiladhummathi Atoll |
| Subdivision Type2: | Administrative atoll |
| Subdivision Name2: | Haa Dhaalu Atoll |
| Subdivision Type3: | Distance to Malé |
| Subdivision Name3: | 262.67km (163.22miles) |
| Seat Type: | Capital |
| Parts Type: | Geographic atolls |
| Parts Style: | list |
| Leader Title: | Council |
| Leader Title3: | Mayor |
| Leader Title4: | Island Chief |
| Leader Name4: | Abdur-Rahman Moosa |
| Unit Pref: | Metric |
| Length Km: | 0.870 |
| Width Km: | 0.600 |
| Population Total: | 525 |
| Population Density Km2: | auto |
| Utc Offset: | +05:00 |
| Postal Code Type: | Assigned Letter |
| Postal2 Code Type: | Assigned Letter |
| Area Code Type: | Area code(s) |
| Blank Name Sec2: | Number of Islands |
| Blank1 Name Sec2: | Inhabited |
| Blank2 Name Sec2: | Uninhabited |
| Blank3 Name Sec2: | Total |
Maavaidhoo (Dhivehi: މާވައިދޫ) is one of the inhabited islands of Haa Dhaalu Atoll administrative division and geographically part of Thiladhummathi Atoll in the north of the Maldives.
The island was severely damaged by the great cyclone of 1821 that hit the northern atolls of the Maldives.