Brian Connaughton may refer to:

• Brian Connaughton (Scott Medal recipient) (1899–1983), Garda (Irish policeman)
• Brian Connaughton (cyclist) (born 1942/43), cyclist and Garda

• Accessory meningeal artery
• Accessory meningeal branch
• Accessory muscles of breathing
• Accessory muscles of respiration
• Accessory Muscles of respiration
• Accessory nasal cartilages
• Accessory navicular
• Accessory Navicular
• Accessory navicular bone
• Accessory Navicular bone
• Accessory nerve diseases
• Accessory nerve disorder
• Accessory nerves
• Accessory nidamental gland
• Accessory nucleus
• Accessory obturator nerve
• Accessory olfactory system
• Accessory olivary nuclei
• Accessory olivary nucleus
• Accessory pancreas
• Accessory pancreatic duct
• Accessory pathway
• Accessory pigments
• Accessory process
• Accessory processes