- Source: Werner Otto
- Werner Otto von Hentig
- Werner
- Werner Forßmann
- Stadion Olimpiade Berlin
- Otto Wille Kuusinen
- Otto Diels
- Werner Heisenberg
- Werner Hartenstein
- Otto Struve
- Otto Ohlendorf
- Werner Otto
- Werner Otto (entrepreneur)
- Otto Group
- Michael Otto (businessman)
- Alexander Otto (businessman)
- Otto Werner
- Wilhelm Wien
- Werner syndrome
- Werner Otto Leuenberger
- Otto II, Count of Habsburg
Werner Otto may refer to:
Werner Otto (entrepreneur) (1909–2011), founder of Otto GmbH
Werner Otto (cyclist) (born 1948), retired track cyclist
Werner Otto (footballer) (born 1929), international footballer