The Division of Leichhardt is an Australian electoral division in the state of Queensland. Matt Smith of the Labor Party has been the Leichhardt Federal MP since May 2025. 

Leichhardt is located in Far North Queensland. It is a very mixed electorate, with its classification ranging from provincial in the south and rural and remote elsewhere. It includes the city of Cairns, as well as many towns such as Cooktown, Port Douglas and Weipa, and several Indigenous communities on the Cape York Peninsula and in the Torres Strait Islands. 

As of the 2021 Australian census, Leichhardt had a total of 175,620 residents (including those who are not on the electoral roll).  50.4% of the population is female, and 49.6% is male. This reflects a trend across northern Australia where the male population tends to be above average. The median age is 39, compared to the state and national average of 38.  Aboriginal and Torres Strait Islander people make up 16.3% of the total population, significantly above the state average of 4.6% and national average of 3.2%. 

44.8% of people in Leichhardt are unmarried, significantly higher than the national and state averages. 38.3% of residents have a registered marriage, while 16.9% are in a de facto marriage. 

Leichhardt is somewhat multicultural. 31.8% of the population has English ancestry, 26.9% have Australian ancestry, 10.9% have Aboriginal ancestry, 9.7% have Irish ancestry and 8.7% have Scottish ancestry.