The Nasserist Unionist People's Organisation is a Nasserist political party in Yemen.
The party was founded in Taiz on 25 December 1965. The party was legalized in 1989.
In 1993 the party held its 8th conference. The conference elected an 89-member politburo. Abdul-Malik al-Mikhlafi was elected the new general secretary of the party, replacing Abdul Ghani Thabet. Thabet was general secretary of the party 1990–1993.
At the last legislative elections in 2003 the party won 1.85% of the popular vote and 3 out of 301 seats. The party has been a member of the opposition alliance known as the Joint Meeting Parties since its formation in the early 2000s.
The party publishes the newspaper al-Wahdawi.
In 2011, the party has participated in the Yemeni uprising against President Ali Abdullah Saleh.