Suure-Rootsi is a village in Saaremaa Parish, Saare County in western Estonia.
Suure-Rootsi was attested in historical sources as GroàRotzeküll in 1788, Rotzi gros in 1798, Gross Rotzküll in 1811, and áÃÂÃÂÃÂõ àþþÃÂÃÂø (Suuree Rootsi) in 1903. The name of the village literally means 'big Swedish (village)', semantically contrasting with neighboring Väike-Rootsi, literally 'little Swedish (village)'. Both villages are named after their historical Swedish population.
From 1977 to 1997, together with neighboring Väike-Rootsi and Ennu, Suure-Rootsi was included in the village of Vätta. After 1997, the name Vätta continued to apply to the area and to the .
Before the administrative reform in 2017, the village was in Pihtla Parish.