
| Term Start1: | May 3, 1870 |
| Term End1: | May 7, 1872 |
| Predecessor1: | Wheaton Allen |
| Successor1: | Henry H. Luther |
| Term Start2: | April 1855 |
| Term End2: | March 3, 1859 |
| State House3: | Connecticut |
| Alongside3: | Faxon Nichols |
| Term Start3: | May 3, 1854 |
| Term End3: | April 1855 |
| Predecessor3: | Moses Chandler |
| Successor3: | Jesse Alton |
| Birth Date: | 16 November 1818 |
| Birth Place: | Glastonbury, Connecticut, |
| Death Place: | Brookline, Massachusetts, |
| Signature: | Sidney Dean signature.svg |
Sidney Dean (November 16, 1818 – October 29, 1901) was a United States representative from Connecticut.
Dean was born in Glastonbury, Connecticut, where he attended the common schools and Wilbraham and Suffield Academies.[1]
Dean was a minister in the Methodist Episcopal Church from 1843 to 1853, when he retired from the ministry because of impaired health. After leaving the ministry, he engaged in manufacturing in Putnam, Connecticut.[1]
Dean was a member of the Connecticut House of Representatives in 1854 and 1855. He was elected as the candidate of the American Party to the Thirty-fourth Congress and as a Republican to the Thirty-fifth Congress (March 4, 1855 – March 3, 1859).[2] In Congress, he served as chairman, Committee on Public Expenditures (Thirty-fourth Congress). He declined to be a candidate for renomination in 1858.
In 1860, Dean reentered the ministry, with pastorates in Pawtucket, Rhode Island, Providence, Rhode Island, and finally in Warren, Rhode Island. During the period 1865-1880, he engaged as editor of the Providence Press, Providence Star, and Rhode Island Press. He also served in the Rhode Island Senate in 1870 and 1871. He also engaged in literary pursuits and lecturing.[1]
He died in Brookline, Massachusetts in 1901 and was buried in South Cemetery, Warren, Rhode Island.