Sir Daniel Gahan (1671–1713) was an Anglo-Irish politician.
Gahan was the son of Daniel Gahan, who had been granted 1,000 acres of land in Slievardagh in 1666.
[1] Gahan was the Member of Parliament for Portarlington in the Irish House of Commons between 1692 and 1693.
He later represented Rathcormack from 1703 until his death in 1713.
[2] He was made a Knight Bachelor in 1705.