"Theme from Harry's Game" is a 1982 song by Clannad commissioned as the theme for Harry's Game, a Yorkshire Television miniseries adapted from a 1975 novel set in The Troubles in Northern Ireland. It was released as a single in October 1982 and became a surprise hit, reaching number 5 in the UK Singles Chart the following month and number 2 in the Irish Singles Chart.

Clannad are an Irish band formed in 1970 in Gweedore, County Donegal, by siblings Ciarán, Pól and Moya Ui Bhraonáin and their twin uncles Noel and Pádraig Ó Dúgáin (Duggan). They have adopted various musical styles throughout their history. Beginning as an acoustic folk group mainly performing rearranged traditional Irish songs in Irish, they expanded their sound with original songs in English, vocal harmonies, electronic keyboards, and elements of rock, Celtic, new age, smooth jazz, and Gregorian chant.