Josiah Wood (18 April 1843 – 13 May 1927) was a Canadian lawyer, entrepreneur, mayor, parliamentarian, and the 13th Lieutenant Governor of the province of New Brunswick.

He was the son of Mariner Wood and his wife Louisa Trueman of Point de Bute.

[citation needed] After attending public school in Sackville, he entered Mount Allison Academy; later he became a member of the first graduating class of the newly founded university, then known as Mount Allison Wesleyan College.

In 1866 he was awarded a Master of Arts degree with admission to the Bar of New Brunswick occurring later in the year.

[citation needed] He entered the family business and built Mariner Wood & Sons into a company involved in retail, wholesale, shipbuilding, shipping, farming and lumbering, banking, real estate, including a large farm in Midgic plus the Wood Block in downtown Sackville.