| Honorific-Prefix: | The Honourable |
| Charles Nielson | |
| Term Start: | 27 August 1904 |
| Term End: | 18 May 1907 |
| Predecessor: | John White |
| Successor: | John White |
| Office1: | Member of the Queensland Legislative Council |
| Term Start1: | 14 September 1907 |
| Term End1: | 23 March 1922 Life councillorship |
| Birth Date: | 1871 2, df=yes |
| Birth Place: | Schleswig-Holstein, Prussia, German Empire |
| Death Place: | Gympie, Queensland, Australia |
| Restingplace: | Bundaberg Cemetery |
| Birthname: | Charles Frederick Nielson |
| Nationality: | German Australian |
| Party: | |
| Education: | Maryborough Grammar School |
| Children: | 3 |
Charles Frederick Nielson (6 February 1871 – 15 August 1924) was a solicitor, and member of both the Queensland Legislative Council and Queensland Legislative Assembly.[1]
Nielson was born at Schleswig, Germany, to Peter Nielson and his wife, Magdalena (née Fredericksen).[1] He started his schooling in Hamburg before his family migrated to Australia and he continued his education in Bundaberg and at Maryborough Grammar School before commencing practice as a solicitor.[1]
He was a partner in Hamilton and Nielson, Solicitors, and a director of several companies including the Bundaberg Foundry Co., the Blair Athol Coal and Timber Co., the Bundaberg Newspaper Co., and the Yeppoon Plantation Estate Co. Ltd.[2]
Representing the Labour Party, Nielson contested the seat of Musgrave at the 1902 state election,[3] losing to the Ministerialist candidate, William O'Connell.[4] After O'Connell died in 1903,[4] Nielson contested the subsequent by-election, this time losing to the Opposition candidate, John White.[5]
Nielson's third attempt at winning Musgrave came at the 1904 state election, this time defeating White. He held the seat for three years before White regained it at the 1907 state election.[6] In September of that year, he was appointed by the Kidston Ministry to the Legislative Council and remained a member till the Council was abolished in March 1922.[1]
Nielson married Ellen Horniblow in 1898 and together they had three sons.[1] He died at Gympie in 1924[2] and was buried in the Bundaberg Cemetery.[7]