Teresa Costello (born 1976/1977) is an Irish Fianna Fáil politician who has been a senator for the Agricultural Panel since January 2025.

[2][3] She was a member of South Dublin County Council for the Tallaght Central area from May 2019 to January 2025.

[1] She was an unsuccessful candidate at the 2024 general election for the Dublin South-West constituency.

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