| Alexander Otto | |
| Birth Date: | 28 January 1988 |
| Birth Place: | Orlovka, Kirghiz SSR, Soviet Union |
| Height: | 1.74 m |
| Position: | Right-back |
| Youthyears1: | –2001 |
| Youthclubs1: | FC 08 Landsweiler-Reden |
| Youthyears2: | 2001–2007 |
| Youthclubs2: | 1. FC Saarbrücken |
| Years1: | 2007–2013 |
| Clubs1: | 1. FC Saarbrücken II |
| Years2: | 2007–2013 |
| Clubs2: | 1. FC Saarbrücken |
| Years3: | 2013–2015 |
| Clubs3: | SV Röchling Völklingen |
Alexander Otto (born 28 January 1988) is a German former professional footballer who played as a right-back.