Alex Richard Cusack (born 29 October 1980) is a former Australian-born Irish cricketer. A club cricketer for Clontarf, Cusack was a carpenter by trade until he was awarded a professional contract with the Irish Cricket Union in 2009. He played as a middle-order right-handed batsman who bowled right-arm medium-fast deliveries. Cusack made his international debut in 2007.
| Format | Matches | Runs | Avg | 100s/50s | Top Score | Wickets | Bowl Avg | Best Bowling | Catches/St |
| ODI | 59 | 745 | 22.57 | 0/2 | 71 | 63 | 23.96 | 5/20 | 18/– |
| T20I | 37 | 229 | 15.26 | 0/1 | 65 | 35 | 20.40 | 4/11 | 7/– |
| FC | 19 | 852 | 35.50 | 1/5 | 130 | 12 | 32.16 | 4/31 | 12/– |
| LA | 87 | 1,103 | 22.06 | 0/3 | 71 | 87 | 25.71 | 5/20 | 26/– |
