Albert De Lande Long (13 September 1844 – 23 February 1917) was an English iron founder and manufacturer who co-founded the company Dorman Long. He was also an amateur rower who won the Wingfield Sculls in 1869 and 1870.
Long was born at Ipswich, the son of Peter Bartholemew Long, a solicitor, and his wife Hannah Justinia Falkland. He was a member of the London Rowing Club and in 1868 partnered William Stout to win pairs at the Metropolitan Regatta. In 1869 he won the Silver Goblets at Henley Royal Regatta with Stout, the London Cup at the Metropolitan Regatta and the Wingfield Sculls. He retained the Wingfield Sculls in 1870, but came third in the Diamond Challenge Sculls that year. In 1871 he won Silver Goblets at Henley with Francis Gulston, but lost the Wingfield Sculls to William Fawcus. He won the Silver Goblets again with Gulston in 1872 and 1874.
Long moved to where he co-founded the iron manufacturing company of Dorman Long with Arthur Dorman.
Long married Susanna Kelso at Knaresborough in 1875. Their son also Albert de Lande Long rowed in the Boat Race for Cambridge. He died at Northallerton on 23 February 1917.