Cate Faehrmann (born 17 March 1970) is an Australian politician and environmental activist.Faehrmann was a Greens member of the New South Wales Legislative Council from 2011 to 2013. She resigned from the Legislative Council in June 2013 to stand for the Senate at the federal election of the same year and was unsuccessful in obtaining a seat. She worked in the office of the Leader of the Australian Greens, Richard Di Natale, as his chief of staff from May 2015 to March 2018. In August 2018 she was re-elected to the Legislative Council to fill the casual vacancy caused by the resignation of Mehreen Faruqi, who had replaced Lee Rhiannon in the Australian Senate.