Lajos () is a Hungarian masculine given name, cognate to the English Louis. People named Lajos include:

Hungarian monarchs:

Lajos I, 1326-1382 (ruled 1342-1382) Lajos II, 1506-1526 (ruled 1516-1526)

In Hungarian politics:

Lajos Aulich, second Minister of War of Hungary Lajos Batthyány, first Prime Minister of Hungary Count Lajos Batthyány de Németújvár, county head of Győr and Governor of Fiume Lajos Dinnyés, Prime Minister of Hungary from 1947 to 1948 Lajos Kossuth, Hungarian lawyer, politician and Regent of Hungary

In football:

Lajos Baróti, coach of the Hungary national football team Lajos Czeizler, Hungarian football coach Lajos Détári, Hungarian football player Lajos Németh, Hungarian football referee Lajos Sătmăreanu, Romanian football player Lajos Tichy, Hungarian footballer

In art:

Lajos Csordák, Hungarian/Slovak painter Lajos Lázár, Hungarian film director Lajos Markos, Hungarian American painter Lajos Koltai, Hungarian cinematographer and film director

In Hungarian literature:

Lajos Bíró, Hungarian novelist, playwright, and screenwriter Lajos Egri, author of The Art of Dramatic Writing Lajos Hevesi, Jewish Hungarian journalist and author

In chess:

Lajos Portisch, Hungarian chess player Lajos Steiner, Hungarian chess player

In other fields:

Lajos Bárdos, Hungarian composer and professor of music at the Franz Liszt Academy of Music Lajos Ódor (1960–2026), Hungarian rower Lajos Pósa, Hungarian mathematician Lajos Rovátkay (1933–2026), Hungarian-born German harpsichordist and musicologist Lajos Werkner (1883–1943), Hungarian 2x Olympic champion saber fencer Zoltán Lajos Bay, Hungarian physicist

See also Kossuth Lajos tér, a Metro station in Budapest