Isaac Mills (5 April 1869 – 16 August 1956) was a New Zealand cricketer who played first-class cricket for Auckland between 1890 and 1903 and represented New Zealand.
| Format | Matches | Runs | Avg | 100s/50s | Top Score | Wickets | Bowl Avg | Best Bowling | Catches/St |
| First-class | 18 | 700 | 23.33 | 0/3 | 88* | 4 | 37.00 | 2/17 | 13/– |
