Louis Bertrand (12 October 1779 – 11 September 1871) was a Canadian seigneur, businessman and political figure.
He worked as baker at the Petit Séminaire de Québec, then moved to L'Isle-Verte in 1811 and opened a store there.
He was elected to represent Rimouski in the Legislative Assembly of Lower Canada in an 1832 by-election; he was reelected in 1834.
His son Charles was a member of the Canadian House of Commons.
His home at L'Isle-Verte, the Maison Louis-Bertrand, has been designated a National Historic Site of Canada.