Double harness may refer to:

• Double Harness, 1933 movie
• Double Harness, play by Edward Poor Montgomery; see Double Harness
• Double Harness, 1904 novel by Anthony Hope
• Double harness, a horse harness for two horses side by side

• Corynofrea nigritarsis
• Corynofrea rubra
• Corynoline
• Corynophallus
• Corynophora argentifascia
• Corynophora lativittalis
• Corynophora torrentellus
• Corynopoma
• Corynopoma riisei
• Corynoptera elegans
• Corynoptera flavosignata
• Corynoptera uncata
• Corynorhinus (Plecotus) townsendii ingens
• Corynorhinus townsendii ingens
• Corynorhinus townsendii virginianus
• Corynotheca
• Corynphar
• Coryn Rivera
• Cory Oates
• Cory Oats
• Coryogalops
• Cory Paus
• Coryphaena aurata
• Coryphaena azorica
• Coryphaena lessonii