| Nils-Ole Book | |
| Birth Date: | 17 February 1986 |
| Birth Place: | Beckum, West Germany |
| Height: | 1.80 m |
| Position: | Midfielder |
| Youthyears1: | –1999 |
| Youthclubs1: | SpVgg Beckum |
| Youthyears2: | 1999–2004 |
| Youthclubs2: | LR Ahlen |
| Years1: | 2004–2006 |
| Clubs1: | LR Ahlen |
| Caps1: | 31 |
| Goals1: | 3 |
| Years2: | 2004–2005 |
| Clubs2: | LR Ahlen II |
| Caps2: | 9 |
| Goals2: | 1 |
| Years3: | 2006–2008 |
| Clubs3: | MSV Duisburg |
| Caps3: | 14 |
| Goals3: | 0 |
| Years4: | 2007–2008 |
| Clubs4: | MSV Duisburg II |
| Caps4: | 4 |
| Goals4: | 2 |
| Years5: | 2008–2011 |
| Clubs5: | Rot Weiss Ahlen |
| Caps5: | 87 |
| Goals5: | 3 |
| Years6: | 2011–2017 |
| Clubs6: | SV Wehen Wiesbaden |
| Caps6: | 128 |
| Goals6: | 9 |
| Totalcaps: | 273 |
| Totalgoals: | 18 |
| Nationalyears1: | 2002 |
| Nationalcaps1: | 5 |
| Nationalgoals1: | 0 |
| Nationalteam1: | Germany U16 |
| Nationalyears2: | 2007 |
| Nationalcaps2: | 1 |
| Nationalgoals2: | 0 |
| Nationalteam2: | Germany U21 |
Nils-Ole Book (born 17 February 1986) is a German former professional footballer who played as a midfielder.[1]
He was a youth international for Germany at under-16 and under-21 levels.