| Denis Rearden | |
| Office: | Member of Parliament for Athlone |
| Term Start: | 15 July 1865 |
| Term End: | 20 November 1868 |
| Predecessor: | John Ennis |
| Successor: | John Ennis |
| Death Place: | Hendon, Middlesex |
| Nationality: | Irish |
| Party: | Liberal |
Denis Joseph Rearden (– 22 May 1885) was an Irish Liberal politician.
He was elected as the Member of Parliament (MP) for Athlone in 1865 but stood down at the next election in 1868.[1]
Rearden was for some time a house agent and auctioneer in Piccadilly, London. He died at his home in Hendon, Middlesex in 1885, around 75 years old.[2]