Tondisaar
| Geography | |
|---|---|
| Coordinates | 58°12′07″N 26°03′29″E / 58.202°N 26.058°E |
Tondisaar (lit. 'Haunted Island') is an island in the southern part of Estonia's second-largest lake, Võrtsjärv.
Tondisaar is the only inland nesting place for Great cormorants in Estonia.