Alexander Cameron Sim (28 August 1840 – 28 November 1900) was a Scottish-born pharmacist and entrepreneur active in Japan during the Meiji period.

[2] Sim grew up in a small farming community, later taking becoming an apprentice to a pharmacist in the nearby town of Turriff.

[3]: 315  In 1866, he volunteered for an overseas assignment, and was sent to the Royal Naval Hospital in Hong Kong, where he spent the next three and a half years.

[2] Sim died on 28 November 1900 of typhoid fever; it was suspected that he contracted the disease from eating raw oysters on a trip to Osaka with a friend.

[4] His funeral, documented in the Japan Chronicle, was described as unprecedented, with the entire Japanese population of Kobe gathering to line the streets and mourn.