Lionel William "Mick" Ryan (1884 – 6 February 1970) was an Australian politician.
He was born in Bathurst to Thomas and Abigail Ryan.
From 1925 to 1943 he was a Labor member of the New South Wales Legislative Council.
He opposed Jack Lang and sat as Federal Labor in the 1930s; he also took an active organisational role in Federal Labor in opposition to Lang Labor in federal and state elections.
Ryan died in Croydon in 1970.