|17th Attorney General of Ceylon|
30 September 1886 – 31 October 1892
|Preceded by||Francis Flemming|
|Succeeded by||Charles Layard|
John Charles Samuel Grenier
16 June 1840
Jaffna, British Ceylon
|Died||31 October 1892 (aged 52)|
Colombo, British Ceylon
|Spouse(s)||Emily (Emma) Drieberg|
|Relations||Frederick Charles Grenier (Father)|
Matilda Maria Aldons (Mother)
Sir John Charles Samuel Grenier was a Barrister and the 17th Attorney General of Ceylon. He was appointed on 30 September 1886, succeeding Francis Flemming, and held the office until his death in 1892. He was succeeded by Charles Layard.
Grenier was born in Jaffna, Ceylon on 16 June 1840, son of Frederick Charles Grenier, Secretary of the District Court, Jaffna. He started his career as a sub-editor on the Ceylon Examiner and later first secretary of the Colombo Municipality. He was called to the Ceylon Bar in 1864 and started his legal career acting as a Puisne Judge on the Supreme Court Bench. He was called to the English Bar in 1884 and appointed as Attorney-General of Ceylon in 1886. He was knighted in 1891 in particular for this work on the Civil Procedure Code. Grenier died in Colombo, Ceylon on 31 October 1892 from pneumonia aged 52.
- Amerasinghe, A. Ranjit B (1986), The Supreme Court of Sri Lanka : the first 185 years, Sarvodaya Book Pub. Services, ISBN 978-955-599-000-4
- "Genealogy Of The Family Of Grenier Of Ceylon" (PDF). The Dutch Burgher Union.org. Retrieved 10 April 2014.
- "The late Sir Samuel Grenier". The Graphic. 4 February 1893. p. 24.
- Bath Chronicle and Weekly Gazette. 3 November 1892. Missing or empty
| Attorney General of Ceylon