Robert Andrew Simms (born 26 March 1984) is an Australian politician, representing the Greens South Australia.

Simms was born on 26 March 1984 in Yorkshire, England,[1] the son of an English father and Australian mother originally from Broken Hill, New South Wales.

[7] Simms was a Greens member of the Senate, representing the state of South Australia, from 22 September 2015 until his defeat at the 2016 election.

[13] In March/April 2024, he has been active in the "Save the Cranker" movement to prevent historic live music pub The Crown & Anchor from being destroyed by developers.

[15][16] On 2 May 2024, it was reported that a watered-down version of his motion had passed the Legislative Council, in which MPs would be "encouraged" to make a submission to the State Commission Assessment Panel.