Peter Friend may refer to:

• Peter Friend (author), New Zealand science fiction author
• Peter Friend (surgeon), director of the Oxford Transplant Centre

• 19th (Alberta) Armoured Car Regiment, RCAC
• 19th Alberta Dragoons (19th Armoured Car Regiment)
• 19th Alberta Legislative Assembly
• 19th (Alexandra Princess of Wales's Own) Hussars
• 19th amendment to SL Constitution
• 19th Amendment to the Constitution of Sri Lanka
• 19th and 24th Consolidated Arkansas Infantry Regiment
• 19th Arizona Territorial Legislature
• 19th Arkansas Infantry
• 19th Arkansas Infantry Regiment (Dawson's)
• 19th Arkansas Infantry Regiment, (Dockery's)
• 19th Arkansas Infantry Regiment (Dockery's)
• 19th Arkansas Infantry Regiment (Hardy's)
• 19th Armoured Regiment (New Zealand)
• 19th Army
• 19th Army (disambiguation)
• 19th Army (German Empire)
• 19th Army (Germany)
• 19th Army (Japan)
• 19th Australian Infantry Brigade
• 19th Avenue and Camelback Road (METRO Light Rail station)
• 19th Baloch
• 19th Baloch Regiment
• 19th Baluch
• 19th Baluch Regiment