Thomas Butler, 3rd Baron Cahir or Caher (died c. 1648) was an Anglo-Irish peer.
He was the son of Piers Butler, the nephew of his namesake the 2nd Baron and the grandson of the 1st Baron.
[1] He married Eleanor, the sister of John Power, 5th Baron Le Power.
His heir, Edmund, predeceased the Baron who was succeeded by his grandson, Pierce.
This biography of a baron or baroness in the Peerage of Ireland is a stub.