Lajos Jánossy (disambiguation)

Jánossy Lajos is a Hungarian name, so in eastern name order, which could refer to:

• Jánossy Lajos (theologian) (1903-1976) and Lutheran pastor,
• Lajos Jánossy (1912-1978) physicist, mathematician, and member of the Hungarian Academy of Sciences,
• Jánossy Lajos (writer) (1967).