| Mikel Amantegui | |
| Fullname: | Mikel Amantegui Errandonea |
| Birth Date: | 3 May 1979 |
| Birth Place: | Irun, Spain |
| Position: | Left-back |
| Years1: | 1998–2000 |
| Years2: | 2000–2002 |
| Years3: | 2002–2004 |
| Years4: | 2004–2006 |
| Years5: | 2006–2008 |
| Years6: | 2008–2009 |
| Years7: | 2009 |
| Years8: | 2010 |
| Clubs8: | Benidorm |
| Caps2: | 35 |
| Caps3: | 57 |
| Caps4: | 69 |
| Caps5: | 72 |
| Caps6: | 18 |
| Caps7: | 8 |
| Caps8: | 12 |
| Totalcaps: | 271 |
| Goals2: | 1 |
| Goals3: | 2 |
| Goals4: | 2 |
| Goals5: | 1 |
| Goals6: | 0 |
| Goals7: | 0 |
| Goals8: | 0 |
| Totalgoals: | 6 |
Mikel Amantegui Errandonea (born 3 May 1979 in Irun, Basque Country) is a Spanish retired footballer who played as a left-back.