Watford
Official Name: Watford Football Club
Formed: 1881 Ground: Vicarage Road Stadium (21,577) Manager: Quique Flores [ESP]
| Number | Name | Nat | Pos | Height | Weight | Date of Birth | Birth Place | Previous Club |
| 1 | Heurelho Gomes | BRA | G | 1.91 | 82 | 15-02-81 | João Pinheiro | Tottenham H |
| 2 | Allan-Roméo Nyom | CMR | D | 1.88 | 80 | 10-05-88 | Neuilly-sur-Seine | Udinese |
| 3 | Miguel Angel Britos | URU | D | 1.88 | 82 | 17-07-85 | Montevideo | Napoli |
| 4 | Mario Suárez | ESP | M | 1.85 | 77 | 24-02-87 | Madrid | Fiorentina |
| 5 | Sebastian Prödl | AUT | D | 1.94 | 85 | 21-06-87 | Graz | Werder Bremen |
| 6 | Joel Ekstrand | SWE | M | 1.88 | 77 | 04-02-89 | Lund | Udinese |
| 7 | José Manuel Jurado | ESP | M | 1.73 | 72 | 29-06-86 | Sanlúcar de Barrameda | Spartak Moscow |
| 8 | Valon Behrami | SUI | M | 1.85 | 78 | 19-04-85 | Kosovska Mitrovica | Hamburg |
| 9 | Troy Deeney | ENG | F | 1.80 | 76 | 29-06-88 | Chelmsley | Walsall |
| 10 | Obbi Oularé | BEL | F | 1.96 | 96 | 08-01-96 | Waregem | Club Brugge |
| 11 | Nordin Amrabat | MAR | M | 1.79 | 79 | 31-03-87 | Naarden | Málaga |
| 12 | ||||||||
| 13 | Rene Gilmartin | IRL | G | 1.96 | 85 | 31-05-87 | Dublin | St Patrick's Ath |
| 14 | Juan Carlos Paredes | ECU | D | 1.74 | 71 | 08-07-87 | Esmeraldas | Granada |
| 15 | Craig Cathcart | NIR | D | 1.88 | 72 | 06-02-89 | Belfast | Blackpool |
| 16 | Nathan Aké | NED | D | 1.80 | 71 | 18-02-95 | Den Haag | Chelsea |
| 17 | Adlène Guédioura | ALG | M | 1.85 | 80 | 12-11-85 | La Roche-sur-Yon | Crystal Palace |
| 18 | Costel Pantilimon | ROU | G | 1.97 | 96 | 01-02-87 | Bacău | Sunderland |
| 19 | ||||||||
| 20 | Steven Berghuis | NED | M | 1.80 | 75 | 19-12-91 | Apeldoorn | AZ Alkmaar |
| 21 | Ikechi Anya | SCO | M | 1.68 | 71 | 03-01-88 | Glasgow | Granada |
| 22 | Almen Abdi | SUI | M | 1.80 | 77 | 21-10-86 | Prizren | Udinese |
| 23 | Ben Watson | ENG | M | 1.78 | 69 | 09-07-85 | Camberwell | Wigan Ath |
| 24 | Odion Ighalo | NGA | F | 1.88 | 70 | 16-06-89 | Lagos | Udinese |
| 25 | José Holebas | GRE | D | 1.84 | 79 | 27-06-84 | Aschaffenburg | Roma |
| 26 | Bernard Mensah | ENG | F | 1.73 | 59 | 29-12-94 | Hounslow | None |
| 27 | Essaïd Belkalem | ALG | D | 1.94 | 90 | 01-01-89 | Mekla | Granada |
| 28 | ||||||||
| 29 | Etienne Capoue | FRA | M | 1.89 | 80 | 11-07-88 | Niort | Tottenham H |
| 30 | Jorell Johnson | ENG | D | 02-01-96 | Hemel Hempstead | None | ||
| 31 | Tommie Hoban | IRL | D | 1.88 | 84 | 24-01-94 | Walthamstow | None |
| 32 | ||||||||
| 33 | ||||||||
| 34 | ||||||||
| 35 | Josh Doherty | NIR | D | 1.79 | 70 | 15-03-96 | Newtownards | None |
| 36 | Alex Jakubiak | ENG | F | 1.77 | 66 | 27-08-96 | Westminster | None |
| 37 | Alfie Young | ENG | D | 03-02-97 | None | |||
| 38 | Mahlondo Martin | ENG | M | 15-10-96 | None | |||
| 39 | Dennon Lewis | ENG | M | 1.78 | 69 | 09-05-97 | Brent | None |
| 40 | George Byers | SCO | M | 1.80 | 73 | 29-05-96 | Ilford | None |
Players no longer at this club |
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| Number | Name | Nat | Pos | Height | Weight | Date of Birth | Birth Place | New Club |
| 11 | Fernando Forestieri | ITA | F | 1.72 | 67 | 16-01-90 | Rosario | Sheffield W |
| 18 | Daniel Pudil | CZE | M | 1.85 | 76 | 27-09-85 | Prague | Sheffield W (On Loan) |
| 4 | Gabriele Angella | ITA | D | 1.89 | 79 | 28-04-89 | Florence | QPR (On Loan) |
| 10 | Matěj Vydra | CZE | F | 1.80 | 73 | 01-05-92 | Chotěboř | Reading (On Loan) |
| 19 | Miguel Layún | MEX | D | 1.78 | 61 | 25-06-88 | Córdoba | FC Porto (On Loan) |
| 32 | Alessandro Diamanti | ITA | F | 1.80 | 73 | 02-05-83 | Prato | Guangzhou Evergrande |
| 19 | Víctor Ibarbo | COL | F | 1.88 | 78 | 19-05-90 | Cali | Cagliari |
| 28 | Connor Smith | IRL | M | 1.81 | 73 | 18-02-93 | Mullingar | AFC Wimbledon |
| 34 | Giedrius Arlauskis | LTU | G | 1.83 | 80 | 01-12-87 | Telšiai | Espanyol (On Loan) |
| 33 | Lloyd Dyer | ENG | M | 1.73 | 64 | 13-09-82 | Birmingham | Burnley |