Sir Richard Garth PC QC (11 May 1820 – 23 March 1903) was Member of Parliament for Guildford from 1866 to 1868 and Chief Justice of Bengal from 1875 to 1886.
Garth was born Richard Lowndes at Morden, Surrey (now south-west London), the son of the Reverend Richard Lowndes (1790 – 30 January 1862) and his wife Mary Lowndes (née Douglas). Rev. Lowndes was, through his mother, the grandson of Richard Garth (d. 1787),Lord of the Manor of Morden. On the death of his mother, Rev. Lowndes inherited the manor and, in accordance with the requirements of his grandfather's will, he changed his and his family's surname to Garth by royal licence in 1837.
Garth was educated at Eton College and attended Christ Church College at the University of Oxford, where he was captain of the university cricket team in 1840 and 1841. He also played cricket for Marylebone Cricket Club, Hampshire and Surrey between 1839 and 1844. He received his MA from Oxford in June 1845.
A student at Lincoln's Inn from 1842, he became a barrister there on 19 November 1847. On 27 June 1847, he married his cousin Clara Lowndes, (1824–1903).
The Garths had seven children:
When his father died in 1862, Garth inherited the manor and its estate at Morden Hall. Garth sold the manor in about 1872. He was also instrumental in the early planning of parts of Raynes Park, on land he owned in the neighbouring parish of Merton.