Patrick J. McManus (July 20, 1954 – July 10, 2009) was a Massachusetts attorney and politician who served as the 54th Mayor of Lynn, Massachusetts.
McManus was born in Lynn to Robert A. McManus and Kathryn "Kay" (Gainey) McManus.
In 1985 McManus was elected to the first of three terms on the Lynn City Council.
In 1990, McManus was a finalist for the Town Manager's position in Saugus, Massachusetts. The job went to Massachusetts Department of Revenue Deputy Commissioner Edward J. Collins Jr.
In 1991 McManus was elected Mayor by 3,708 votes over incumbent mayor Albert V. DiVirgilio, McManus received 13,601 votes, to DiVirgilio's 9,893. McManus served as mayor from 1992 to 2002.
On June 9, 2009, McManus formally announced that he would run against incumbent Mayor Edward J. Clancy Jr. in that year's election. On July 10, 2009, McManus was found dead in his home.