Laclu is the name of two adjacent places, one an unincorporated area and locality and the other an unincorporated area and railway point, in Unorganized Kenora District in northwestern Ontario, Canada. Both are just west of the city of Kenora on Lake Lulu, into which flows Laclu Creek; the locality is on the north side and the railway point on the southeast side. Ontario Highway 641 passes through the locality.