List of Middlesbrough F.C. players Notable players Notable players

| Nationality | Position_ | Boro_career | Captaincy | Appearances | Goals |
|---|---|---|---|---|---|
| Denmark | Striker | 1996–1998 | – | 115 | 31 |
| Ireland | Midfield | 1997–1999 | 1998–1999 | 88 | 4 |
| Italy | Central defender | 1997–2002 | – | 171 | 12 |
| Australia | Goalkeeper | 1997–2008 | – | 446 | 0 |
| Colombia | Forward | 1998–2002 | – | 134 | 43 |
| England | Midfield | 1999–2002 | 1999–2002 | 106 | 9 |
| Cameroon | Forward | 2000–2006 | – | 111 | 21 |
| England | Defender/Midfield | 2000–2007 | – | 128 | 4 |
| England | Defender | 2000–2007 | – | 150 | 8 |
| England | Midfield | 2001–2004 | – | 109 | 4 |
| Slovakia | Forward | 2001–2006 | – | 146 | 29 |
| France | Left-back | 2001–2006 | – | 199 | 12 |
| England | Defender | 2001–2006 | 2002–2006 | 204 | 4 |
| England | Midfield | 2001–2009; | – | 190 | 18 |
| Netherlands | Midfield | 2002–2008 | 2006–2008 | 222 | 9 |
| Italy | Forward | 2002–2007 | – | 102 | 24 |
| Brazil | Midfield | 2003–2006 | – | 110 | 1 |