List of AFL debuts in 1998
A total of 82 players made their debut in the Australian Football League's 1998 season, while another 39 players debuted for a new club having previously played for another club.
Debuts
| Name | Club | Age at debut | Round debuted | Games | Goals | Notes |
| 210 | 25 | 2006 All-Australian. | ||||
| 116 | 129 | 2000 AFL Rising Star nominee. | ||||
| 101 | 103 | Previously played for North Melbourne. | ||||
| 48 | 17 | |||||
| 44 | 21 | Son of Tony Thiessen. Previously played for Richmond. | ||||
| 41 | 22 | 1998 AFL Rising Star nominee. | ||||
| 12 | 6 | Previously played for West Coast and Port Adelaide. | ||||
| 7 | 2 | |||||
| 4 | 2 | |||||
| 2 | 0 | |||||
| 322 | 171 | 2002 Brownlow Medalist, 2003 Norm Smith Medallist, 2001, 2002, and 2006 Merrett–Murray Medallist, 2001, 2002 and 2004 All-Australian and Brisbane games record holder. | ||||
| 282 | 226 | 2004 All-Australian, 1998 AFL Rising Star and 1999 AFL Rising Star nominee. | ||||
| 208 | 138 | 1999 AFL Rising Star nominee | ||||
| 146 | 39 | Previously played for Hawthorn. | ||||
| 91 | 19 | 2000 AFL Rising Star nominee | ||||
| 25 | 9 | Son of Billy Picken and brother of Liam Picken. | ||||
| 19 | 3 | 1999 Rising Star nominee | ||||
| 9 | 3 | |||||
| 1 | 2 | |||||
| 43 | 12 | 1998 Rising Star nominee | ||||
| 18 | 0 | |||||
| 4 | 0 | |||||
| 4 | 2 | |||||
| 3 | 1 | Previously played for Sydney. | ||||
| 1 | 0 | Previously played for Melbourne. | ||||
| 1 | 0 | |||||
| 196 | 307 | 2001, 2002, 2003, 2004 and 2005 Collingwood Leading Goalkicker, 2003 All-Australian, 2003 AFL Mark of the Year. Brother of Robbie Tarrant. | ||||
| 50 | 11 | |||||
| 23 | 3 | |||||
| 22 | 9 | Previously played for Sydney. | ||||
| 19 | 1 | |||||
| 19 | 8 | |||||
| 16 | 1 | Previously played for Richmond. | ||||
| 7 | 1 | |||||
| 5 | 2 | |||||
| 3 | 0 | Previously played for Hawthorn. | ||||
| 3 | 2 | |||||
| 158 | 56 | 1999 Rising Star nominee. | ||||
| 124 | 50 | |||||
| 17 | 1 | |||||
| 17 | 4 | |||||
| 151 | 16 | |||||
| 79 | 24 | 1999 Fremantle Best and Fairest. Previously played for Geelong, St Kilda, Brisbane Bears and Brisbane Lions. | ||||
| 50 | 24 | |||||
| 43 | 11 | Son of Stephen Michael. | ||||
| 41 | 5 | Previously played for Carlton and Richmond. | ||||
| 36 | 21 | |||||
| 9 | 3 | Previously played for North Melbourne. | ||||
| 5 | 5 | |||||
| 3 | 0 | Previously played for Western Bulldogs. | ||||
| 3 | 0 | |||||
| 284 | 17 | 2003 Best and Fairest, 2003, 2004, 2007, 2008, 2009 and 2011 All-Australian and 2000 Rising Star nominee. | ||||
| 90 | 11 | 1998 Rising Star nominee. | ||||
| 19 | 35 | 1998 Geelong Leading Goalkicker. Previously played for West Coast. | ||||
| 18 | 0 | |||||
| 10 | 1 | |||||
| 7 | 5 | |||||
| 6 | 1 | Son of Michael Woolnough. | ||||
| 4 | 0 | |||||
| 2 | 1 | |||||
| 184 | 129 | 2005 All-Australian team, 1998 Rising Star nominee. | ||||
| 145 | 64 | Hawthorn captain 2005-2007. | ||||
| 119 | 92 | 2003 and 2004 Hawthorn Leading Goalkicker. 1999 Rising Star nominee. | ||||
| 113 | 114 | 2001 Hawthorn Leading Goalkicker. Previously played for Fitzroy and Brisbane. | ||||
| 17 | 0 | |||||
| 16 | 4 | Previously played for Brisbane Bears and Brisbane Lions. | ||||
| 11 | 3 | Brother of Matthew Lloyd. | ||||
| 10 | 1 | |||||
| 10 | 0 | |||||
| 5 | 0 | |||||
| 236 | 95 | All Australian 2004 and Melbourne Best and Fairest 2004. Previously played for Fremantle. | ||||
| 160 | 111 | Grandson of Norm Johnstone. | ||||
| 146 | 36 | |||||
| 136 | 31 | |||||
| 107 | 35 | |||||
| 37 | 0 | Previously played for St Kilda. | ||||
| 29 | 5 | Previously played for Adelaide. | ||||
| 18 | 4 | |||||
| 17 | 12 | |||||
| 17 | 3 | 1999 Rising Star nominee. Brother of Justin Longmuir. | ||||
| 4 | 3 | |||||
| 2 | 0 | |||||
| 243 | 323 | 1999 Norm Smith Medallist, 2001 North Melbourne Best and Fairest and 2005 All Australian. Previously played for Sydney. | ||||
| 155 | 9 | |||||
| 107 | 15 | Previously played for Adelaide and Collingwood. | ||||
| 72 | 104 | 1998 AFL Mark of the Year. Previously played for Fremantle. | ||||
| 50 | 11 | |||||
| 27 | 2 | 1997 Sandover Medallist. | ||||
| 2 | 1 | |||||
| 127 | 78 | 1998 Rising Star nominee. | ||||
| 30 | 19 | Previously played for West Coast. | ||||
| 29 | 25 | 1999 Rising Star nominee. | ||||
| 25 | 12 | Previously played for Adelaide. | ||||
| 20 | 17 | Previously played for Fitzroy. | ||||
| 18 | 16 | Previously played for Richmond. | ||||
| 6 | 5 | |||||
| 1 | 1 | |||||
| 188 | 125 | |||||
| 172 | 30 | 2000 Jack Dyer Medallist and 2000 All-Australian. | ||||
| 129 | 152 | 2001 All-Australian. | ||||
| 30 | 19 | Previously played for Collingwood. | ||||
| 20 | 4 | |||||
| 20 | 1 | |||||
| 18 | 22 | 1998 Rising Star nominee. | ||||
| 14 | 7 | Previously played for West Coast. | ||||
| 13 | 2 | Previously played for Fitzroy and Port Adelaide. | ||||
| 52 | 64 | Previously played for Fremantle. | ||||
| 47 | 10 | |||||
| 43 | 8 | |||||
| 11 | 2 | |||||
| 8 | 1 | |||||
| 223 | 51 | 1998 Rising Star nominee. | ||||
| 142 | 41 | 1998 Rising Star nominee. | ||||
| 98 | 57 | 1999 Sydney Best and Fairest and 1999 All-Australian. Previously played for North Melbourne. | ||||
| 42 | 46 | Previously played for Collingwood. | ||||
| 8 | 9 | |||||
| 7 | 8 | Previously played for Brisbane Bears and Brisbane Lions. | ||||
| 158 | 70 | 1999 Rising Star nominee. | ||||
| 84 | 42 | 1999 Rising star nominee. | ||||
| 74 | 124 | |||||
| 15 | 2 | 2005 Sandover Medallist. | ||||
| 7 | 0 | |||||
| 137 | 114 | Previously played for Sydney. | ||||
| 45 | 28 | |||||
| 14 | 2 |