| Full name: | David John Constant |
| Born: | 9th November 1941, Bradford-on-Avon, Wiltshire, England |
| Batting: | Left-hand batter |
| Bowling: | Slow left-arm orthodox |
| Education: | Grove Park Secondary Modern School, Lee, Kent |
| Other Sports: | Bowls for Gloucestershire |
| Biography: | County Championship umpire for 38 seasons (1969-2006), more than any other umpire |
| Relations: | Father-in-law: GEE Lambert |
| Teams: | Kent (Main FC: 1961-1963); Leicestershire (Main FC: 1965-1968); Leicestershire (Main ListA: 1967); Kent Second XI (Minor Counties Championship: 1958); All teams |
| Kent Second XI cap: 1960 | |
| Lists of matches and more detailed statistics | |
| Pictures: | Portrait of David Constant |
| First-Class Career Batting and Fielding (1961-1968) | ||||||||||
| M | I | NO | Runs | HS | Ave | 100 | 50 | Ct | ||
| Overall | 61 | 93 | 14 | 1517 | 80 | 19.20 | 0 | 6 | 33 | |
| First-Class Career Bowling (1965-1968) | ||||||||||
| Balls | Mdns | Runs | Wkts | BB | Ave | 5wI | 10wM | SRate | Econ | |
| Leicestershire | 75 | 3 | 36 | 1 | 1-28 | 36.00 | 0 | 0 | 75.00 | 2.88 |
| List A Career Batting and Fielding (1967) | ||||||||||
| M | I | NO | Runs | HS | Ave | 100 | 50 | Ct | ||
| Leicestershire | 1 | 1 | 0 | 5 | 5 | 5.00 | 0 | 0 | 0 | |
| Minor Counties Championship Career Batting and Fielding (1958) | ||||||||||
| M | I | NO | Runs | HS | Ave | 100 | 50 | Ct | ||
| Kent Second XI | 2 | 1 | 0 | 13 | 13 | 13.00 | 0 | 0 | 0 | |
| Minor Counties Championship Career Bowling (1958) | ||||||||||
| Balls | Mdns | Runs | Wkts | BB | Ave | 5wI | 10wM | SRate | Econ | |
| Kent Second XI | 24 | 0 | 35 | 0 | 0-35 | 8.75 | ||||