Carl Otto
Carl Otto is a blended given name. Notable people known by this name include the following:
- Carl Otto Bartning, German film editor
- Carl Otto Czeschka, Austrian painter and graphic designer
- Carl Otto Harz, German mycologist, pharmacist and botanist
- Carl Otto Lampland, American astronomer
- Carl Otto Lenz, German jurist and politician
- Carl Otto Løvenskiold, Norwegian politician
- Carl Otto Løvenskiold, Norwegian landowner and businessperson
- Carl Otto Løvenskiold, Norwegian landowner and businessperson
- Carl Otto Mörner, Swedish courtier
- Carl Otto Nordensvan, Swedish general and military writer
- Carl Otto Reventlow, Danish publisher
- Carl Otto Rosendahl, American botanist
- Carl Otto Svae, Norwegian sailor
- Carl Otto von Eicken, German otorhinolaryngologist
- Carl Otto von Madai, German professor, politician, and statesman
