Neiphiu Guolhoulie Rio (born 11 November 1950) is an Indian politician who is serving as the 9th and current Chief Minister of Nagaland since 2018, previously 2003 to 2014 and from 2018 till date.

[3] An active student leader during his School and College days, Rio entered politics at a very young age.

[5] As a member of the Indian National Congress, Rio was Nagaland's Home Minister as part of the cabinet headed by S. C. Jamir from 1998 till 2002 when he resigned from the ministry accusing Chief Minister S. C. Jamir of blocking a negotiated settlement of the vexed Naga issue.

Before completing his first term, Rio was dismissed as Chief Minister when President's Rule was imposed in Nagaland on 3 January 2008.

During the 2013 Nagaland State elections, NPF won a thumping majority and Rio was re-elected as Chief Minister for a third term.

[8] At a memorial service in Kohima for the victims of 2021 Nagaland killings, Rio said "I am hopeful that the country and the rest of the world will not only understand the Nagas’ story but also the want for lasting peace.