Otway McLaurin Falkiner (19 April 1909 – 22 March 2000) was an Australian politician.
He was born in Melbourne to grazier Otway Rothwell Falkiner and Mary Elizabeth McLaurin; his uncles Franc and Norman Falkiner were also members of parliament.
He attended Geelong Grammar School and became a grazier.
On 11 October 1934 he married Agnes Cullen; they had four children but were divorced in 1977.
He served in the New South Wales Legislative Council from 1946 to 1978, representing the Country Party.