Algirdas is a Lithuanian male given name, derived from the Lithuanian terms al ("each, every") and gandas ("news, rumor") or girdintis ("hearing").[1] Variants of the name include Algis and Elgirdas. Algirdas may refer to:
- Algirdas (1296–1377), Grand Duke of Lithuania
- Algirdas Brazauskas (1932–2010), Lithuanian politician, President and Prime Minister
- Algirdas Budrys (born 1939), Lithuanian musician
- Algirdas Butkevičius (born 1958), Lithuanian politician and Prime Minister
- Algirdas Endriukaitis (born 1936), Lithuanian politician
- Algirdas Julien Greimas (1917–1992), French literary scholar
- Algirdas Kaušpėdas (born 1953), Lithuanian musician and architect
- Algirdas Klimaitis (1923–1988), Lithuanian paramilitary commander
- Algirdas Kumža (born 1956), Lithuanian politician
- Algirdas Lauritėnas (1932–2001), Lithuanian basketball player
- Algirdas Linkevičius (born 1950), Lithuanian basketball player and coach
- Algirdas Monkevičius (born 1956), Lithuanian politician
- Algirdas Paleckis (born 1971), Lithuanian diplomat
- Algirdas Vaclovas Patackas (1943–2015), Lithuanian politician and writer
- Algirdas Petrulis (1915–2010), Lithuanian painter
- Algirdas Petrusevičius (born 1937), Lithuanian politician
- Algirdas Ražauskas (1952–2008), Lithuanian politician
- Algirdas Saudargas (born 1948), Lithuanian politician
- Algirdas Šemeta (born 1962), Lithuanian politician
- Algirdas Šocikas (1928–2012), Lithuanian boxer
- Algirdas Sysas (born 1954), Lithuanian politician
- Algirdas Tatulis (born 19??), Lithuanian paralympic athlete