Julius Augustus Lemcke (1832 ‒ January 22, 1909) was State Treasurer of Indiana and wrote a memoir titled Reminiscences of an Indianian From the Sassafras Log Behind the Barn in Posey County to Broader Fields.

[1] Lemcke was born in Hamburg, Germany.

[2] Lemcke was the majority owner of a steamboat.

[3] He also owned a hotel.

[2] He built the Lemcke Building.