The Irish Triple Crown Winners is a three-race competition for Thoroughbred racehorses.
The Irish Triple Crown consists of the Irish 2,000 Guineas (at 1 mile), the Irish Derby (at about 1½ miles), and the Irish St. Leger (at 1 mile and 6 furlongs).
Runners who have won all three races in one year are in bold.
| Year | Irish 2,000 Guineas | Irish Derby | Irish St. Leger |
| 2025 | Field Of Gold | ||
| 2024 | Rosallion | Los Angeles | Kyprios |
| 2023 | Paddington | Auguste Rodin | Eldar Eldarov |
| 2022 | Native Trail | Westover | Kyprios |
| 2021 | Mac Swiney | Hurricane Lane | Sonnyboyliston |
| 2020 | Siskin | Santiago | Search For A Song |
| 2019 | Phoenix of Spain | Sovereign | Search For A Song |
| 2018 | Romanised | Latrobe | Flag of Honour |
| 2017 | Churchill | Capri | Order of St George |
| 2016 | Awtaad | Harzand | Wicklow Brave |
| 2015 | Gleneagles | Jack Hobbs | Order of St George |
| 2014 | Kingman | Australia | Brown Panther |
| 2013 | Magician | Trading Leather | Voleuse de Coeurs |
| 2012 | Power | Camelot | Royal Diamond |
| 2011 | Roderic O'Connor | Treasure Beach | Duncan / Jukebox Jury 1 |
| 2010 | Canford Cliffs | Cape Blanco | Sans Frontieres |
| 2009 | Mastercraftsman | Fame and Glory | Alandi |
| 2008 | Henrythenavigator | Frozen Fire | Septimus |
| 2007 | Cockney Rebel | Soldier of Fortune | Yeats |
| 2006 | Araafa | Dylan Thomas | Kastoria |
| 2005 | Dubawi | Hurricane Run | Collier Hill |
| 2004 | Bachelor Duke | Grey Swallow | Vinnie Roe |
| 2003 | Indian Haven | Alamshar | Vinnie Roe |
| 2002 | Rock of Gibraltar | High Chaparral | Vinnie Roe |
| 2001 | Black Minnaloushe | Galileo | Vinnie Roe |
| 2000 | Bachir | Sinndar | Arctic Owl |
| 1999 | Saffron Walden | Montjeu | Kayf Tara |
| 1998 | Desert Prince | Dream Well | Kayf Tara |
| 1997 | Desert King | Desert King | Oscar Schindler |
| 1996 | Spinning World | Zagreb | Oscar Schindler |
| 1995 | Spectrum | Winged Love | Strategic Choice |
| 1994 | Turtle Island | Balanchine | Vintage Crop |
| 1993 | Barathea | Commander in Chief | Vintage Crop |
| 1992 | Rodrigo de Triano | St Jovite | Mashaallah |
| 1991 | Fourstars Allstar | Generous | Turgeon |
| 1990 | Tirol | Salsabil | Ibn Bey |
| 1989 | Shaadi | Old Vic | Petite Ile |
| 1988 | Prince of Birds | Kahyasi | Dark Lomond |
| 1987 | Don't Forget Me | Sir Harry Lewis | Eurobird |
| 1986 | Flash of Steel | Shahrastani | Authaal |
| 1985 | Triptych | Law Society | Leading Counsel |
| 1984 | Sadler's Wells | El Gran Senor | Opale |
| 1983 | Wassl | Shareef Dancer | Mountain Lodge |
| 1982 | Dara Monarch | Assert | Touching Wood |
| 1981 | Kings Lake | Shergar | Protection Racket |
| 1980 | Nikoli | Tyrnavos | Gonzales |
| 1979 | Dickens Hill | Troy | Niniski |
| 1978 | Jaazeiro | Shirley Heights | M-Lolshan |
| 1977 | Pampapaul | The Minstrel | Transworld |
| 1976 | Northern Treasure | Malacate | Meneval |
| 1975 | Grundy | Grundy | Caucasus |
| 1974 | Furry Glen | English Prince | Mistigri |
| 1973 | Sharp Edge | Weavers' Hall | Conor Pass |
| 1972 | Ballymore | Steel Pulse | Pidget |
| 1971 | King's Company | Irish Ball | Parnell |
| 1970 | Decies | Nijinsky | Allangrange |
| 1969 | Right Tack | Prince Regent | Reindeer |
| 1968 | Mistigo | Ribero | Giolla Mear |
| 1967 | Atherstone Wood 2 | Ribocco | Dan Kano |
| 1966 | Paveh | Sodium | White Gloves |
| 1965 | Green Banner | Meadow Court | Craighouse |
| 1964 | Santa Claus | Santa Claus | Biscayne |
| 1963 | Linacre | Ragusa | Christmas Island |
| 1962 | Arctic Storm | Tambourine | Arctic Vale |
| 1961 | Light Year | Your Highness | Vimadee |
| 1960 | Kythnos | Chamour | Lynchris |
| 1959 | El Toro | Fidalgo | Barclay |
| 1958 | Hard Ridden | Sindon | Royal Highway |
| 1957 | Jack Ketch | Ballymoss | Ommeyad |
| 1956 | Lucero | Talgo | Magnetic North |
| 1955 | Hugh Lupus | Panaslipper | Diamond Slipper |
| 1954 | Arctic Wind | Zarathustra | Zarathustra |
| 1953 | Sea Charger | Chamier 3 | Sea Charger |
| 1952 | D C M | Thirteen of Diamonds | Judicate |
| 1951 | Signal Box | Fraise du Bois II | Do Well |
| 1950 | Mighty Ocean | Dark Warrior | Morning Madam |
| 1949 | Solonaway | Hindostan | Brown Rover |
| 1948 | Beau Sabreur | Nathoo | Beau Sabreur |
| 1947 | Grand Weather | Sayajirao | Esprit de France |
| 1946 | Claro | Bright News | Cassock |
| 1945 | Stalino | Piccadilly | Spam |
| 1944 | Good Morning / Slide On 4 | Slide On | Water Street |
| 1943 | The Phoenix | The Phoenix | Solferino |
| 1942 | Windsor Slipper | Windsor Slipper | Windsor Slipper |
| 1941 | Khosro | Sol Oriens | Etoile de Lyons |
| 1940 | Teasel | Turkhan | Harvest Feast |
| 1939 | Cornfield | Mondragon | Skoiter |
| 1938 | Nearchus | Rosewell | Ochiltree |
| 1937 | Phideas | Phideas | Owenstown |
| 1936 | Hocus Pocus | Raeburn | Battle Song |
| 1935 | Museum | Museum | Museum |
| 1934 | Cariff | Patriot King / Primero 5 | Primero |
| 1933 | Canteener | Harinero | Harinero |
| 1932 | Lindley | Dastur | Hill Song |
| 1931 | Double Arch | Sea Serpent | Beaudelaire |
| 1930 | Glannarg | Rock Star | Sol de Terre |
| 1929 | Salisbury | Kopi | Trigo |
| 1928 | Baytown | Baytown | Law Suit |
| 1927 | Fourth Hand | Knight of the Grail | Ballyvoy |
| 1926 | Embargo | Embargo | Sunny View |
| 1925 | St Donagh | Zionist | Spelthorne |
| 1924 | Grand Joy | Haine / Zodiac 6 | Zodiac |
| 1923 | Soldumeno | Waygood | O'Dempsey |
| 1922 | Spike Island | Spike Island | Royal Lancer |
| 1921 | Soldennis | Ballyheron | Kircubbin |
| 1920 | He Goes | Kirk-Alloway | |
| 1919 | Loch Lomond | Cheap Popularity | |
| 1918 | King John | Dionysos | |
| 1917 | First Flier | Double Scotch | |
| 1916 | Furore | Captive Princess | |
| 1915 | Ballaghtobin | La Paloma | |
| 1914 | Land of Song | ||
| 1913 | Bachelor's Wedding | ||
| 1912 | Civility | ||
| 1911 | Shanballymore | ||
| 1910 | Aviator | ||
| 1909 | Bachelor's Double | ||
| 1908 | Wild Bouquet | ||
| 1907 | Orby | ||
| 1906 | Killeagh | ||
| 1905 | Flax Park | ||
| 1904 | Royal Arch | ||
| 1903 | Lord Rossmore | ||
| 1902 | St Brendan | ||
| 1901 | Carrigavalla | ||
| 1900 | Gallinaria | ||
| 1899 | Oppressor | ||
| 1898 | Noble Howard | ||
| 1897 | Wales | ||
| 1896 | Gulsalberk | ||
| 1895 | Portmarnock | ||
| 1894 | Blairfinde | ||
| 1893 | Bowline | ||
| 1892 | Roy Neil | ||
| 1891 | Narraghmore | ||
| 1890 | Kentish Fire | ||
| 1889 | Tragedy | ||
| 1888 | Theodolite | ||
| 1887 | Pet Fox | ||
| 1886 | Theodemir | ||
| 1885 | St Kevin | ||
| 1884 | Theologian | ||
| 1883 | Sylph | ||
| 1882 | Sortie | ||
| 1881 | Master Ned | ||
| 1880 | King of the Bees | ||
| 1879 | Soulouque | ||
| 1878 | Madame du Barry | ||
| 1877 | Redskin | ||
| 1876 | Umpire | ||
| 1875 | Innishowen | ||
| 1874 | Ben Battle | ||
| 1873 | Kyrle Daly | ||
| 1872 | Trickstress | ||
| 1871 | Maid of Athens | ||
| 1870 | Billy Pitt | ||
| 1869 | The Scout | ||
| 1868 | Madeira | ||
| 1867 | Golden Plover | ||
| 1866 | Selim | ||
1 2011 race was a dead-heat with joint winners.
2 1967 race Kingfisher finished first, but was relegated to second place upon an inquiry afterwards.
3 1953 race Premonition finished first, but was disqualified.
4 1944 race was a dead-heat with joint winners.
5 1934 race was a dead-heat with joint winners.
6 1924 race was a dead-heat with joint winners.