Gunnar Ljungström (1905-1999) was a Swedish engineer and technical designer.
Gunnar Ljungström was the born in 1905 as son of the industrialist Fredrik Ljungström. He was the nephew of Birger Ljungström, and Oscar Ljungström.
After engagement in family-related businesses, Gunnar Ljungström became the head of Saab Automobile's development team of the company's first automobiles from the 1940s on, known for their aerodynamic technology and design.