Jervis Joslin (September 29, 1835 – January 4, 1899) was an American politician who served as the 5th Mayor of Cheyenne, Wyoming.

After graduating from school he started working in jewelry businesses in Poultney.

[1] Joslin and Park established jewelry businesses in Denver in May 1866, Cheyenne on December 17, 1867, Salt Lake City in 1871, and Leadville in 1879.

[6] In 1880, he closed the jewelry store in Cheyenne and consolidated Joslin & Park in Leadville.

[2] Joslin died from pneumonia in Denver, Colorado, on January 4, 1899.