Henry Gilbert Smith (1802 – 1 April 1886) was an English-born Australian businessman, banker and politician, known as the "Father of Manly".

[1] He was the founder and developer of the Sydney suburb of Manly, where he built Fairlight House facing Delwood Beach.

In 1839 he married Eleanor Whistler; he would later remarry Anne Margaret Thomas in 1856 and Anna Louisa Lloyd later than that.

He was the brother of Thomas Smith and thereby the uncle of Australian politician and banker Thomas Whistler Smith, who was the deputy chairman and managing director of the Commercial Banking Company of Sydney.

[5] Smith was the founder and developer of the Sydney suburb of Manly, where he built a home called Fairlight House facing Delwood Beach.