Events in the year 2013 in Croatia.

• President – Ivo Josipović
• Prime Minister – Zoran Milanović
• Speaker – Josip Leko

Ongoing – Accession of Croatia to the European Union (Until July 1)

• April 14 – First European Parliament election
• May 19 – Local elections, first round
• June 2 – Local elections, second round
• July 1 – Croatia becomes the 28th member state of the European Union
• December 1 – Croatian constitutional referendum on the definition of marriage is held

• February 7 – Krsto Papić, film director
• February 13 – Ivan Večenaj, painter
• August 19 – Mirko Kovač, writer
• September 2 – Zvonko Bušić, Croatian independence activist
• September 23 – Vlatko Marković, football manager
• October 23 – Dolores Lambaša, actress
• October 27 – Vinko Coce, singer
• November 2 – Zlatko Crnković, translator

• 2013 in Croatian television