Deception Bay is a coastal suburb in the City of Moreton Bay, Queensland, Australia. In the 2021 census, Deception Bay had a population of 19,573 people.

In the 2011 census, Deception Bay recorded a population of 19,672 people, 51.1% female and 48.9% male. The median age of the Deception Bay population was 34 years, 3 years below the national median of 37. 73.6% of people living in Deception Bay were born in Australia. The other top responses for country of birth were New Zealand 6.7%, England 4.2%, Philippines 1%, Samoa 1% and Scotland 0.4%. 86.3% of people spoke only English at home; the next most common languages were 2.1% Samoan, 0.3% Tagalog, 0.3% Filipino, 0.3% Hindi and 0.2% Mandarin.

The only mode of public transport in Deception Bay is bus with all services traveling ether via or to/from the Deception Bay Bus Station located outside MKT Deception Bay at 1 Bay Avenue (27°11′39″S 153°01′48″E / 27.1943°S 153.0300°E / -27.1943; 153.0300 (Deception Bay Bus Station)).