| GRACIA | Javi ...... , 2018-19 Watford and 2020-21 Valencia boss (6) |
| HOBAN | Tommie ..... , 2011-19 Watford and 2020-21 Aberdeen defender (5) |
| RONALD | Holland and 2020-21 Barcelona manager (6,6) |
| KOEMAN | Holland and 2020-21 Barcelona manager (6,6) |
| TRAORE | Fulham and 2020-21 Spain winger (6) |
| MATIAS | Uruguay, Roma, 2017-20 Nacional and 2020-21 Palmeiras defender; Bournemouth loanee for part of 2022-23 (6) |
| ASHLEY | 2007-18 England, 2011-20 Man United and 2020-21 Internazionale winger/defender between spells at Aston Villa (6) |
| ISMAEL | Valerien ...... , 2020-21 Barnsley, 2021-22 West Brom and 2023-24 Watford boss (6) |
| DAWSON | Craig ...... , Wolves, 2010-19 West Brom, 2019-21 Watford and 2021-23 West Ham defender (6) |
| NANTES | 2020-21 Ligue 1 football club in France coached by Christian Gourcuff (6) |
| BARNES | John ..... , 1983-95 England, 1981-87 Watford and 1987-97 Liverpool winger; 1999-2000 Celtic and 2008-09 Jamaica manager (6) |
| RANKIN | Andy ...... , former Everton, Watford and Huddersfield goalkeeper (6) |
| FOSTER | Ben ..... Watford and former England goalkeeper (6) |
| BACUNA | Leandro ...... , Curacao, Watford and 2019-22 Cardiff midfielder/ defender (6) |
| YEATES | Mark ...... , 2010-11 Sheffield United, 2011-13 Watford and 2013-15 Bradford winger (6) |
| TAYLOR | Graham, former England, Watford and Aston Villa manager (6) |
| WALTER | 2016-17 Watford and 2023-24 Napoli manager (6) |
| WESLEY | Watford and 2017 Netherlands defender (6) |
| WEBBER | 2003-05 Watford and 2005-09 Sheffield United forward (5,6) |
| ENDEAN | Barry _, 1968-1970 Watford and 1970-1971 Charlton Athletic striker (6) |
