Donald Marshall, Jr. is a Canadian man who was wrongly convicted of murder.
Marshall was sentenced to life imprisonment for murdering his best friend Sandy Seale in 1971. They had been walking in a Sydney, Nova Scotia park, and Seale was attacked by a stranger.
Marshall spent 11 years in jail before being acquitted by the Nova Scotia Court of Appeal in 1983. A witness came forward to say he had seen another man stab Seale.
Subsequently, Marshall, a Mi'kmaq, reached prominence again as the primary petitioner in the landmark Supreme Court of Canada case of R. v. Marshall [1999] 3 SCR 45 regarding native fishing rights.