Lazarus Seaman (died 1675), was an English clergyman, supporter in the Westminster Assembly of the Presbyterian party, intruded Master of Peterhouse, Cambridge, and nonconformist minister.
In 1642 he was presented by William Laud to the rectory of Allhallows, Bread Street; Laud made this presentation out of courtesy to Northumberland, and complained that, nonetheless, Henry Montagu, 1st Earl of Manchester, had written to pressure him, commanding him in the name of the House of Lords to give the benefice to Seaman.
"[2] On 11 April 1644 Seaman was admitted Master of Peterhouse, Cambridge, by Edward Montagu, 2nd Earl of Manchester, in place of John Cosin, ejected on 18 March.
[2] Seaman held aloof, with William Jenkyn and a few others, from the negotiations with Charles II in the presbyterian interest, and was looked upon as an uncompromising man, whom it was useless to tempt with offers of preferment.
On the passing of the Five Mile Act 1665, Richard Baxter drew up a statement of reasons for not taking the oath which exempted from its operation; Seaman persuaded him to abstain from publishing it, and recommended a policy of 'silent patience.'