There are several people with the name Michael Walker:

• Dr. Michael Walker, headmaster of King Edward VI Grammar School in Chelmsford - see Michael Walker (headmaster)
• Michael Walker, a councillor in Canada who advocates a Province of Toronto - see Michael Walker (politician)
• Michael Walker, a Canadian economist who founded the Fraser Institute - see Michael Walker (economist)
• General Sir Michael Walker, the British Chief of the Defence Staff - see Michael Walker (general)
• Michael Walker, exceptional New Zealand jockey - see Michael Walker (jockey)
• Michael Anthony Walker, the son of spy John Anthony Walker, who played a role in his father's spy ring