The Army Officers Training School, Bahtoo (Burmese: တပ်မတော်(ကြည်း) ဗိုလ်သင်တန်းကျောင်း (ဗထူး), abbreviated OTS) is an officer candidate school for the Myanmar Army located in Bahtoo Station, Shan State, Myanmar.

[1][2] Coursework at OTS typically spans nine months, and graduating cadets receive army commissions.

[3] The predecessor to the OTS was founded in Mingaladon Township, Rangoon (now Yangon) by the Imperial Japanese Army on 20 August 1942, becoming the first military training school in the country.

[4] After achieving independence in 1948, Myanmar's military established OTS in Maymyo (now Pyin Oo Lwin), near Mandalay.

[5] In 2016, 7% (4) of the military-appointed delegates to the Amyotha Hluttaw, the upper house of Myanmar's national legislature were OTS graduates, while none of the military-appointed delegates to the Pyithu Hluttaw, the lower house of Myanmar's national legislature were OTS graduates.