John Ernest Parker (2 July 1871 in Plantation Vigilance, East Coast, Demerara, British Guiana – 1946 in Georgetown, Demerara, British Guiana) was a West Indian cricketer who toured with the second West Indian touring side to England in 1906. He was a right-handed batsman and leg break/googly bowler.
| Format | Matches | Runs | Avg | 100s/50s | Top Score | Wickets | Bowl Avg | Best Bowling | Catches/St |
| First-class | 8 | 61 | 4.35 | –/– | 15 | 5 | 56.20 | 2/28 | 4/– |