Wang Yongjun (1908 – January 5, 2003) was a founding major general of the People's Republic of China and a native of Hengyang, Hunan Province. He joined the Chinese Workers' and Peasants' Red Army in 1933 and the Communist Party of China in 1936. He participated in the agrarian revolution, the War of Resistance Against Japan, and the War of Liberation.
He was awarded the rank of major general in 1955. He died in Beijing on January 5, 2003 at the age of 95.

In 1908, Wang Yongjun was born into a family of freelancers and studied in his hometown as a child. After graduating from high school, he studied cable telegraphy with his uncle, who worked at the Hengyang Post and Telecommunications Bureau.
In 1929, he entered the University of Mass Governance Law. Later, he was admitted to the Changsha Officers' Training Institute to learn radio communication technology, and after graduation, he served in the Kuomintang troops and served as the captain of the radio team.
In May 1933, the Red 6th Army fought against the Kuomintang army in Tangshi, on the border of Chaling and Lianhua counties, and captured a 5-watt radio station, which was damaged and repaired and used. Wang Yongjun was a Kuomintang military telegrapher captured in this battle and has since joined the Red Army. It made significant contributions to the reconnaissance and deciphering work of the Red Army. In October, the Xianggan Military Region held the second radio technology training class, and Wang Yongjun was assigned to teach in the radio team of the Xianggan Military Region.
In October 1934, after the Red Second and Sixth Armies joined the division, the Red Second Front was established, and he served as a researcher of the Second Bureau of the Red Second Front Headquarters.
In October 1936, the Red First, Second and Fourth Fronts met in Gansu and successfully ended the Long March. At the end of the year, the technical reconnaissance forces of the Second and Fourth Fronts were assigned to the Second Bureau of the Central Military Commission, and Wang Yongjun, a deciphering expert who was praised by Ren Bishi as a "code head," entered the Deciphering Section, joined Cao Xiangren and Zou Bizhao, and served as the acting chief of the First Section of the Second Bureau of the Central Military Commission.