Caleb Joshua Jenner (9 December 1830 – 27 June 1890) was a politician in colonial Victoria (Australia), member of the Victorian Legislative Council. Jenner was born in Alfriston, Sussex, England, the son of Thomas Jenner and his wife Sarah, née Ralf.He came to Victoria in 1850, and engaged in commercial pursuits at Geelong. Jenner held the office of president of the first reform league, established for the purpose of protecting native Industries. Jenner died at his home in Mornington, Victoria, on 27 June 1890, survived by his wife Eliza Ann, née New, four sons and six daughters.