| Honorific Prefix: | Lieutenant General |
| Reginald Otto | |
| Birth Date: | 1943 7, df=yes |
| Birth Place: | Krugersdorp, Transvaal Province, Union of South Africa |
| Nickname: | Reg |
| Serviceyears: | 19641998 |
| Rank: | Lieutenant General |
| Commands: |
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| Relations: | 'Kowie' Jacoba Otto (nee Kleynhans) |
Lieutenant General Reginald Otto (9 July 1943[1] 5 July 2022[2]) was a South African military commander, who held the post of Chief of the South African Army.[3]
He joined the South African Army in 1964 after completing his schooling at Trumpsburg High School.[2] After Officer training at the Army Gymnasium he was appointed a 2nd lieutenant in 1 Special Service Battalion. He became Officer Commanding of 1 Special Service Battalion in January 1976. He also commanded the School of Armour from 11 January 1981 to 18 December 1983.[4]
He was promoted to Brigadier and OC Orange Free State Command.[5] He was later promoted to Major general and GOC Eastern Transvaal Command.[6]
General Otto was awarded the following: