George Ryan (c. 1783 – 6 December 1861) was an Irish-born Danish merchant, ship owner and banker.

He continued running a trading house and shipping firm founded by his brother Phillip.

He owned the property at Sankt Annæ Plads 7 in Copenhagen and the sugar plantation Mary's Fancy on Saint Croix in the Danish West Indies.

[1] At the end of the Napoleonic Wars in 1814–1815, Ryan was one of the first general traders in Copenhagen to revive the transatlantic trade with sugar from the Danish West Indies.

Ryan was elected as a member of the board of representatives of the Bank of Denmark for two four-year terms.

On 25 June 1859, with the assistance of James Finlay as attorney to Ryan, it was sold to Thomas Dardis for $40,000 (the half transferred to Geo.

The boy was born on 8 March 1815 at Fødselsstiftelsen, an institution where it was possible for unmarried women to give birth anonymously.

Katharina (Kate) Ryan was married to Christian Rosenkilde Treschow (1842–1905), a chamberlain and owner of Frydendal Manor at Holbæk.