William Irvine Estabrooks (July 26, 1947 – June 4, 2024) was a Canadian educator and politician from Nova Scotia.

[1] A native of Sackville, New Brunswick, Estabrooks attended Mount Allison University from which he graduated in 1969.

He was also a recipient of the Lions International Presidents' Recognition Award and the Medal of Bravery from the Governor General.

[3] Estabrooks ran for the nomination of the Nova Scotia New Democratic Party in the riding of Timberlea-Prospect in 1998.

Estabrooks also announced his decision to not seek re-election in the next provincial election due to his health concerns.