Tiit
Tiit is predominantly an Estonian masculine given name and occurs, to a lesser extent, as a surname.
;Given name:
- Tiit Arge, politician
- Tiit Haagma, ice yacht sailor and musician
- Tiit Härm, ballet dancer, ballet master and choreographer
- Tiit Helimets, ballet dancer
- Tiit Helmja, rower
- Tiit Hennoste, linguist
- Tiit Käbin, jurist and politician
- Tiit Kala, politician
- Tiit Kaljundi, architect
- Tiit Kändler, humorist and science journalist
- Tiit Kuningas, sports journalist
- Tiit Kuusik, opera singer
- Tiit Kuusmik, politician
- Tiit Lääne, sportsman, sports journalist and politician
- Tiit Land, biochemist
- Tiit Lilleorg, actor
- Tiit Made, economist, journalist, publicist and politician
- Tiit Madisson, dissident, writer and politician
- Tiit Niilo, politician
- Tiit Nuudi, tennis player and politician
- Tiit Pääsuke, painter
- Tiit Rosenberg, historian
- Tiit Salumäe, Lutheran prelate
- Tiit Sinissaar, politician
- Tiit Sokk, basketball player
- Tiit Sukk, actor, television presenter, and director
- Tiit Tamm, ski jumper and coach
- Tiit Tammsaar, politician
- Tiit Terik, politician
- Tiit Tikerpe, sprint canoer and Olympic competitor
- Tiit Toomsalu, politician
- Tiit Trummal, architect
- Tiit Vähi, politician and former Prime Minister of Estonia
- Tiit-Rein Viitso, linguist
- Ene-Margit Tiit, Estonian mathematician and statistician
- Valdur Tiit, Estonian physicist