The following is a list of events relating to television in Ireland from 1974.

• May – In its long-awaited report, the Broadcasting Review Committee endorses a second television channel for Ireland.^[1]
• Undated – The limit on the number of households that can be connected to high-specification aerial is abolished. Furthermore, it is agreed that RTÉ will receive a percentage of gross rental income from television aerial contractors by way of compensation for the estimated loss of advertising revenue RTÉ will experience due to competition with other television stations.^[1]
• Undated – The cable television company RTÉ Relays Ltd (later Cablelink) is established.^[1]

• RTÉ News: Nine O'Clock (1961–present)
• RTÉ News: Six One (1962–present)
• The Late Late Show (1962–present)
• The Riordans (1965–1979)
• Quicksilver (1965–1981)
• Seven Days (1966–1976)
• Wanderly Wagon (1967–1982)
• Hall's Pictorial Weekly (1971–1980)
• Sports Stadium (1973–1997)

• 18 April – Lorraine Pilkington, actress
• 1 October – Keith Duffy, singer-songwriter, actor, drummer, dancer and television presenter
• Undated – Victoria Smurfit, actress

• 1974 in Ireland