Valerio Onida

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Valerio Onida
Valerio Onida 2012.jpg
President of the Constitutional Court of Italy
In office
22 September 2004 – 30 January 2005
Preceded byGustavo Zagrebelsky
Succeeded byPiero Alberto Capotosti
Judge of the Constitutional Court of Italy
In office
30 January 1996 – 30 January 2005
Appointed byItalian Parliament
Personal details
Born(1936-03-30)30 March 1936
Milan, Italy
Died14 May 2022(2022-05-14) (aged 86)
Milan, Italy
Alma materUniversity of Milan

Valerio Onida (30 March 1936 – 14 May 2022)[1] was an Italian jurist, and constitutional law professor, Judge of the Constitutional Court of Italy and President of the Court from September 2004 to January 2005.[2]


Professor of Constitutional Law at the University of Milan from 1983 to 2009, in January 1996, Onida was elected Judge of the Constitutional Court of Italy by the Parliament.[3] He remained in office for nine years, until January 2005. In the last four months, Onida has also been President of the Constitutional Court.[4]

In 2010, Onida was a candidate for the center-left primary elections for the Mayor of Milan,[5] and he ranked third: the winner was Giuliano Pisapia, who was later elected Mayor.[6]

Onida was very critical of the 2016 constitutional referendum proposed by Prime Minister Matteo Renzi and appealed against it, since, according to him, too many questions were presented in the referendum.[7] Onida's appeal was rejected and he announced that on 4 December he would have voted "No".[8]


  1. ^ "Morto a 86 anni Valerio Onida, ex presidente della Corte Costituzionale". Corriere della Sera. 14 May 2022. Retrieved 14 May 2022.
  2. ^ "I Presidenti dal 1956 ad oggi". Retrieved 22 October 2018.
  3. ^ "Consulta, eletti due giudici su tre". La Repubblica. 25 January 1996. Retrieved 22 October 2018.
  4. ^ "Valerio Onida nuovo presidente della Consulta". Corriere della Sera. 22 September 2004. Retrieved 22 October 2018.
  5. ^ "Primarie, in campo anche Onida". La Repubblica. 8 September 2010. Retrieved 22 October 2018.
  6. ^ "Primarie a Milano, vince Pisapia". La Repubblica. 15 November 2010. Retrieved 22 October 2018.
  7. ^ "Referendum, l'ex presidente della Consulta Onida fa ricorso contro il quesito: "Argomenti diversi insieme"". Il Fatto Quotidiano. 11 October 2016. Retrieved 22 October 2018.
  8. ^ "Referendum, respinto ricorso Onida sul quesito. Il giudice: "Non lede libertà del voto. Spacchettamento termine orribile"". Il Fatto Quotidiano. 10 November 2016. Retrieved 22 October 2018.
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