Otto Johann Zahn (August 23, 1872 – October 12, 1965) was the second person to represent District 10 on the Los Angeles City Council, serving from 1925 until 1927.

"[7] He raised homing pigeons at 426 South Hope Street[8] and on Santa Catalina Island, where he and his brother Oswald established a messenger service to and from Los Angeles, a distance of some 50 miles.

[14] The organization gave four-minute speeches on topics dealing with the American war effort in the WWI and which were presented during the four minutes between reel-changing in movie theaters.

[1] Zahn was a candidate for the California State Assembly in 1918, running on the Republican ticket, and he was also a member of the city's Humane Animal Commission.

[17] In 1934, Zahn, a registered Progressive, was a candidate for the Republican nomination for Assemblyman in the 55th District[18] against Emory J. Arnold, who had the endorsement of the Times.