Ransome is an outer coastal suburb in the City of Brisbane, Queensland, Australia. In the 2021 census, Ransome had a population of 429 people.

Ransome was named after Charles Horace Ransome who lived in the area and had a sawmill, supplying mixed firewood to the city and the Queensland Railways Department. At the time of his death in November 1948, he was living in Keyes Street, Lota, immediately north of Lota Creek.

On 11 August 1975, the area was officially named and bounded by the Queensland Place Names Board.

In the 2011 census, Ransome had a population of 474 people, 50% female and 50% male. The median age of the Ransome population was 39 years, 2 years above the Australian median. 73.4% of people living in Ransome were born in Australia, compared to the national average of 69.8%; the next most common countries of birth were England 6.8%, New Zealand 6.1%, Germany 1.5%, Taiwan 0.8%, Austria 0.8%. 88.2% of people spoke only English at home; the next most common languages were 2.5% German, 1.5% Persian (excluding Dari), 0.8% Mandarin, 0.6% Dutch, 0.6% Danish.

In the 2016 census, Ransome had a population of 405 people.

In the 2021 census, Ransome had a population of 429 people.