Furio Honsell (born 20 August 1958) is an Italian professor and mathematician, former mayor of Udine.

His research concerned, among other subjects, lambda calculus and language semantics.

In the local elections of 2008, Honsell was elected Mayor of Udine for the centre-left coalition, endorsed by the Democratic Party, The Left – The Rainbow and the Italy of Values.

On 18 January 2018, Honsell resigned as mayor in order to stand as a candidate in the regional elections in Friuli-Venezia Giulia the following spring with Open - Sinistra FVG, a list supported by Article One, in support of the centre-left presidential candidate Sergio Bolzonello.

[1] In the general elections of 2022 he runs for a seat at the Senate in the single-member constituency of Friuli-Venezia Giulia by the centre-left coalition, obtaining 25.98% and losing the challenge against the centre-right candidate Luca Ciriani.