Nicholas James McKim is an Australian politician, currently a member of the Australian Senate representing Tasmania. He was previously a Tasmanian Greens member of the Tasmanian House of Assembly elected at the 2002 election, representing the Franklin electorate from 2002 to 2015, and led the party from 2008 until 2014. On 21 April 2010, he became the first member of the Greens in any Australian ministry. From February 2020 until June 2022, he served as co-deputy leader of the Australian Greens.