Everton Hugh Mattis (born 11 April 1957) is a former West Indian cricketer who played in four Tests and two ODIs in 1981. In his maiden ODI, he scored a gritty 62 against England at Kingstown, St. Vincent. In the same match, West Indian pacer Collin Croft demolished the Englishmen with a figure of 9-4-15-6 to help the West Indies to defend the total of 127 and to win the match by 2 runs.
| Format | Matches | Runs | Avg | 100s/50s | Top Score | Wickets | Bowl Avg | Best Bowling | Catches/St |
| Tests | 4 | 145 | 29.00 | 0/1 | 71 | 0 | – | 0/4 | 3/– |
| ODIs | 2 | 86 | 43.00 | 0/1 | 62 | – | – | – | 2/– |
| FC | 38 | 2,064 | 33.29 | 3/12 | 132 | 9 | 9.88 | 4/22 | 25/– |
| LA | 26 | 439 | 18.29 | 0/2 | 67 | 4 | 14.75 | 2/46 | 9/– |