← 1920 1919 1918 1921 in Croatia → 1922 1923 1924
Decades:	1900s 1910s 1920s 1930s 1940s
See also:	Other events of 1921 · Timeline of Croatian history

Events from the year 1921 in Croatia.

• Monarchs:
  • Peter I (until 16 August)
  • Alexander I (from 16 August)

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• February 18 – Branko Bauer, film director (died 2002)
• March 27 – Ivan Rabuzin, painter (died 2008)
• March 28 – Walter Neugebauer, comic book artist and animator (died 1992)
• May 4 – Edo Murtić, painter (died 2005)
• June 10 – Ivan Kožarić, sculptor (died 2020)
• June 22 – Radovan Ivšić, poet and dramatist (died 2009)
• November 27 – Vojin Jelić, writer and poet (died 2004)

• January 23 – Josip Marohnić, influential emigrant in the Americas (born 1866)