The following is a list of every Fulham player to have worn the number 21 shirt since squad numbers were introduced to the club in 1999.
1999-2000 - 
Ian Selley, Central midfielder
2000-2001 - 
Paul Peschisolido, Striker
2001-2002 - Vacant
2002-2003 - 
Martín Herrera, Goalkeeper
2003-2004 - Dave Beasant, Goalkeeper
2004-2006 - 
Zesh Rehman, Centre back / Defensive midfielder
2006-2008 - Jimmy Bullard, Central midfielder
2008-2009 - Elliot Omozusi, Centre back
2009-2011 - 
Eddie Johnson, Striker
2011-2013 - 
Kerim Frei, Left/Right winger / Attacking midfielder
2013-2014 - Vacant
2014 - Larnell Cole, Right/Left winger
2014-2017 - 
Lasse Vigen Christensen, Central/Right midfielder
2017-2018 - Vacant
2018 - Matt Targett, Left back
2018-2019 - 
Timothy Fosu-Mensah, Right/Centre back
2019-2021 - Harrison Reed, Central midfielder
2021-2022 - Paolo Gazzaniga, Goalkeeper
2022-2023 - 
Dan James, Right winger
2023-present - 
Timothy Castagne, Right/Left back
| Fulham F.C. Shirt Numbers |
| 1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 • 26 • 27 • 28 • 29 • 30 • 31 • 32 • 33 • 34 • 35 • 36 • 37 • 38 • 39 • 40 • 41 • 42 • 43 • 44 • 45 • 46 • 47 • 48 • 49 • 50 • 51 • 52 • 53 • 54 • 55 • 56 • 57 • 58 • 59 • 60 • 61 • 62 • 63 • 64 • 65 • 66 • 67 • 68 • 69 • 70 • 71 • 72 • 73 • 74 • 75 • 76 • 77 • 78 • 79 • 80 • 81 • 82 • 83 • 84 • 85 • 86 • 87 • 88 • 89 • 90 • 91 • 92 • 93 • 94 • 95 • 96 • 97 • 98 • 99 |