Ossian Smyth

Ossian Smyth (born 1971/1972) is an Irish Green Party politician who served as a Minister of State from July 2020 to January 2025. He was a Teachta Dála (TD) for the Dún Laoghaire constituency from 2020 to 2024.

Smyth holds a Bachelor of Arts in computer science from Trinity College Dublin.

Smyth was elected to Dún Laoghaire–Rathdown County Council for the Dún Laoghaire local electoral area at the 2014 local election. He served as Cathaoirleach of the County Council from 2018 to 2019. and at the general election in February 2020, he was elected as a TD for Dún Laoghaire. Tom Kivlehan was co-opted to Smyth's seat on the County Council.

Following the formation of a new government of Fianna Fáil, Fine Gael and the Green Party, Smyth was appointed as a Minister of State on 1 July 2020. He was appointed as Minister of State at the Department of Public Expenditure and Reform with responsibility for Public Procurement and eGovernment and Minister of State at the Department of the Environment, Climate and Communications with responsibility for Communications and Circular Economy.

He lost his seat at the 2024 general election. He unsuccessfully contested the 2025 Seanad election for the Dublin University constituency.