Ronnie O'Reilly (date of birth unknown) is an Irish cricket umpire. O'Reilly first officiated a match of note in 1996 when he officiated in a Women's One Day International between Ireland women and New Zealand women. Six years later he stood in his second, and to date last, Women's ODI between Ireland women and New Zealand women.[1] These matches also mark the only Women's List A matches he has stood in.[2] O'Reilly officiated in his first, and to date only, mens List A match, which was between Shropshire and Northumberland in the 1st round of the 2004 Cheltenham & Gloucester Trophy which was played in 2003.[3]