Hayashi Tadasu
| Hayashi Tadasu | |
|---|---|
| 林 董 | |
| Hayashi Tadasu c. 1902 | |
| Minister of Communications | |
| In office 30 August 1911 – 21 December 1912 | |
| Prime Minister | Saionji Kinmochi | 
| Preceded by | Gotō Shinpei | 
| Succeeded by | Gotō Shinpei | 
| Minister for Foreign Affairs | |
| In office 19 May 1906 – 14 July 1908 | |
| Prime Minister | Saionji Kinmochi | 
| Preceded by | Saionji Kinmochi | 
| Succeeded by | Terauchi Masatake | 
| Personal details | |
| Born | Satō Shingoro 11 April 1850 Sakura, Shimōsa, Japan | 
| Died | 10 July 1913 (aged 63) Hayama, Kanagawa, Japan | 
| Resting place | Aoyama Cemetery | 
| Spouse | |
| Children | Fukuzawa Kiku (daughter) Hayashi Masanosuke (son) | 
| Parent(s) | Satō Taizen (biological father) Hayashi Dokai (adoptive father) | 
| Relatives | Matsumoto Ryōjun (brother) | 
| Education | University College School | 
| Alma mater | King's College London | 
| Occupation | Diplomat, cabinet minister | 
| Other names | Satō Tosaburō | 
Count Hayashi Tadasu, GCVO (林 董; 11 April 1850 – 10 July 1913) was a Japanese career diplomat and cabinet minister of Meiji-era Japan.