| Otto Thott Fritzner Müller | |
| Birth Date: | 3 December 1864 |
| Birth Place: | Trondheim, Norway |
| Nationality: | Norwegian |
| Occupation: | Schoolteacher Politician |
Otto Thott Fritzner Müller (3 December 1864 - 28 December 1944) was a Norwegian schoolteacher and politician. He was born in Trondheim to Carl Arnoldus Müller and Arnoldine von Westen Sylow Kjeldsberg. He was elected representative to the Storting for the periods 1919 - 1921 and 1922 - 1924, for the Conservative Party. He served as mayor of Halden 1913 - 16.[1]