- Peter Buchanan (Onye ọrụ Royal Navy) (1925-2011)
- Peter Buchanan (onye na-ese ụkpụrụ ụlọ) (amụrụ n'afọ 1942), onye na-ese ihe, onye na-eme atụmatụ obodo, onye edemede na onye na-ahụ maka ihe ngosi
- Peter Buchanan (onye na-agba bọọlụ, amụrụ n'afọ 1915) (1915-1977), onye na-agba ọsọ bọọlụ Scotland (Chelsea FC, Fulham FC, Brentford FC, otu mba)
- Peter Buchanan (onye na-agba bọọlụ, amụrụ n'afọ 1938), onye na-agba ọsọ bọọlụ na onye isi oche klọb (Queen's Park)
- Peter Buchanan (onye ọka ikpe), onye ọka ikpe nke Ụlọikpe Kasị Elu nke Victoria, Australia
- Peter Buchanan (rugby union) (1889), onye egwuregwu rugby nke nọchitere anya Australia
- Pete Buchanan, onye na-eme ihe nkiri na Hollyoaks
- Peter Buchanan-Smith (amụrụ n'afọ 1972), onye na-ese ihe, onye nkuzi na onye ọchụnta ego