Luca Antonini (born 27 May 1963) is an Italian lawyer, jurist, and constitutional law professor at the University of Padua.

Antonini was a member of the group of experts who dealt, on behalf of the Veneto Region, with the Italian government for the recognition of more forms of autonomy.

[3] He also represented the Veneto Region in front the Constitutional Court in trying to overturn Italy's legislation on compulsory vaccination for children, embracing the stances of the Italian no-vaccine movement.

[4] On 22 June 2018 he reaffirmed his anti-vaccines beliefs in a message on Twitter, where he wondered on Twitter why the tetanus vaccine would need to be compulsory if tetanus itself is non-contagious.

On 19 July 2018 Antonini was elected by the Parliament as the judge of the Constitutional Court of Italy, with the votes of the Northern League, the Five Stars Movement, Forza Italia and Brothers of Italy.