Charles Moore (10 May 1820 – 30 April 1905) was an Australian botanist and director of the Royal Botanic Garden, Sydney.

He won a number of prizes while there, including the first premium in the Horticultural Society of Ireland's annual examination of journeymen gardeners in 1835.

He left his position at the Survey and moved to England, working in Regent's Park and from 1847 as a gardener in Kew.

[1] In 1847 he was appointed a government botanist and director of the Botanic Gardens in Sydney, Australia by Earl Grey.

He studied the native flora of Australia, while also researching the economic possibilities[1] which led him to establishing a library and added a lecture theatre.

[2] He amassed a collection of Australian timber specimens from his visits to the Blue Mountains in 1857, and the Richmond and Clarence Rivers in 1861.

[1] He visited Lord Howe Island in 1869, and attended the Botanical Congress and the International Horticultural Exhibition in Florence in 1874.