| Frank Mathiesen | |
| Birth Date: | 13 February 1969 |
| Position: | goalkeeper |
| Years1: | - 1987 |
| Clubs1: | Ørskog |
| Years2: | 1988 - 1991 |
| Clubs2: | Aalesund |
| Years3: | 1992 - 1994 |
| Clubs3: | Vålerenga |
| Years4: | 1995 - 2003 |
| Clubs4: | Aalesund |
| Managerclubs1: | Aalesund (goalkeeper coach) |
Frank Mathiesen (born 13 February 1969) is a retired Norwegian football defender.
A club legend in Aalesund, he joined them from Ørskog ahead of the 1988 season.[1] The club was a mainstay on the second tier, but Mathiesen got the chance at Vålerenga from 1992 through 1994, the last season on the first tier.[2] [3] He rejoined Aalesund and finally got to represent the club in Eliteserien in 2003, retiring post-season.[4] He became AaFK's goalkeeper coach.