Alistair Ivan Shields (born 24 January 1994) is an Irish cricketer. He made his Twenty20 debut for Northern Knights in the 2018 Inter-Provincial Trophy on 18 May 2018. Prior to his Twenty20 debut, he was named in Ireland's squad for the 2012 Under-19 Cricket World Cup. He made his List A debut for Northern Knights in the 2018 Inter-Provincial Cup on 28 May 2018.
| Format | Matches | Runs | Avg | 100s/50s | Top Score | Catches/St |
| LA | 1 | 8 | 8.00 | 0/0 | 8 | 0/– |
| T20 | 4 | 87 | 21.75 | 0/0 | 40 | 1/– |
