Denis Collins

Denis Collins or Dennis Collins may refer to:


 * Denis Collins (business ethicist) (born 1956), American teacher of business ethics
 * Denis Collins (footballer) (1953–2011), Australian rules footballer of the 1970s
 * Denis Collins (journalist), American journalist and juror in the trial of Scooter Libby
 * Denis Collins (politician) (born 1941), Australian politician from the Northern Territory
 * Dennis J. Collins (1900–1974), American politician and lawyer
 * Dennis P. Collins (1924–2009), American politician; former mayor of Bayonne, New Jersey