Samuel D. Sturgis Jr. (August 1, 1861 – March 7, 1933) was a senior officer of the United States Army who commanded the 87th and 80th divisions during World War I.

[1] He attended Washington University in St. Louis before becoming a student at the United States Military Academy.

[2] During 1906 he also served as adjutant of the 2nd Provisional Field Artillery, an experimental organization that conducted operations at Fort Sill.

[2] In March 1911, Sturgis was promoted to lieutenant colonel and assigned as second in command of the 3d Field Artillery, based at Fort Sam Houston.

[2] In August 1917, Sturgis was promoted to temporary major general and assigned to command Camp Pike, Arkansas and the 87th Division.

[2] After leading it though its organization and training, Sturgis led the division in France beginning in August 1918, when it was used to provide replacement troops for front line units.

[2] Sturgis commanded the Third Corps Area headquartered at Fort Holabird from November 1924 until retiring in August 1925.

[1] The World War II-era transport ship USS General S. D. Sturgis was named in his honor.