Linus Joseph "Len" Arsenault (March 24, 1934 – February 21, 1999) was a Canadian politician.
He represented the electoral district of Cape Breton North in the Nova Scotia House of Assembly from 1978 to 1981.
He was a member of the Nova Scotia New Democratic Party.
He attended St. Francis Xavier University and was a teacher in Alberta and Nova Scotia.
[2] In 1980, Arsenault was a candidate for the leadership of the NDP, finishing second to Alexa McDonough.