Elections to the Council of the Isles of Scilly took place on 6 May 2021, alongside other United Kingdom local elections.

[1] All 16 seats on the council were up for election.

Consequently, the Returning Officer was required to order an election to fill the vacancy on a day of their choice before Friday 25 June.

[3] There was only one nomination for this election, so Andrew Crispin Frazer was declared elected on 28 May 2021.

This Cornwall article is a stub.