Walter Weldon FRS FRSE (31 October 1832 – 20 September 1885) was a 19th-century English industrial chemist and journalist.

[1] He was born in Loughborough on 31 October 1832, the son of Reuben Weldon and his wife, Esther Fowke.

[5] Weldon's Ladies' Journal (1875–1954) supplied dressmaking patterns, and was a blueprint for subsequent 'home weeklies'.

Their second son was Walter Frank Raphael Weldon, an English evolutionary zoologist and biometrician.

He continued to work at the production of chlorine in connection with the processes of creating various sodium salts and became a leading authority on the subject.