Raden Soeharto Sastrosoeyoso (24 December 1908 – 30 November 2000) was an Indonesian doctor and a National hero of Indonesia.

[2] Sastrosoeyoso then attended Algemeene Middelbare School in Yogyakarta, and later continued his higher study on Fakultas Medica Bataviensis at Geneeskundige Hoogeschool te Batavia in Batavia, where he earned his medical degree on 25 May 1935, and received Medicina Doctoren title on 14 April 1937.

[2] Sastrosoeyoso also had a close relationship with Sukarno where he often called him Mas Karno, and also went to became a private doctor for Indonesia first Vice President Mohammad Hatta.

[2] He began to wrote his experience as the private doctor of the two proclaimers and later published it into his autobiography, Saksi Sejarah, in 1982.

[2] After the Proclamation of Indonesian Independence, Sastrosoeyoso helped in managing finances of the newly established republic and to arrange various expenses to run the government, where he donated his sedan car to Sukarno in order to help run the government.