The following is a list of events relating to television in Ireland from 1984.

• 2 January – Jim Mitchell is appointed Minister for Communications with responsibility for broadcasting.^[1]
• February – Charlie Bird becomes the first reporter on RTÉ Television to present a news item via satellite, when he reports from the Philippines on the imprisonment, trial and subsequent release of Fr. Niall O'Brien.^[1]
• 1–4 June – RTÉ presents live coverage of U.S. President Ronald Reagan's visit to Ireland. RTÉ sends twice-daily newsfeeds to Eurovision for world distribution during the visit. The coverage includes an interview with Reagan recorded in Washington for the programme Today Tonight and a special edition of Newstime which is broadcast on U.S. television.^[1]

• 25 June – The Edison Twins (1984–1986)
• 29 June – The Doombolt Chase (1978)
• 16 July – Heathcliff and Marmaduke (1981)
• 2 November – Davis at Large (1984–1986)
• 24 December – The Snowman (1982)
• Undated – MT-USA (1984–1987)
• Undated - Masquerade (1983-1984)

• 26 July – The Biskitts (1983–1984)
• 7 November – Leave It To Mrs O'Brien (1984–1986)

• RTÉ News: Nine O'Clock (1961–present)
• RTÉ News: Six One (1962–present)
• The Late Late Show (1962–present)

• Sports Stadium (1973–1997)
• Trom agus Éadrom (1975–1985)
• The Late Late Toy Show (1975–present)
• RTÉ News on Two (1978–2014)
• Bosco (1979–1996)
• The Sunday Game (1979–present)

• Today Tonight (1982–1992)
• Mailbag (1982–1996)
• The Irish R.M. (1983–1985)
• Glenroe (1983–2001)

• 1984 in Ireland