John Helmer Bergvall (October 26, 1892 – August 11, 1959) was a Swedish politician, a member of the Liberal People's Party.

He served as a member of the Riksdag (Swedish Parliament) for the Constituency of Stockholm City.

In the Liberal People's Party, he was chairman of the executive committee from 1940 to 1956.

In 1928 he became vice-president and later in 1931 president of Stockholmssystemet, a company politically involved with alcohol.

John Helmer Bergvall was born in Norrtälje on October 26, 1892, and died on August 11, 1959, at Jakobs församling in Stockholm at the age of 66.