Laksam (Bengali: লাকসাম) is an upazila of Comilla District in the division of Chittagong, Bangladesh.

On 6 April 1971 more than 200 people were killed by Pakistani army at Ajgara Bazar during the Bangladesh Liberation war.

[4] The upazila has experienced a water crisis due to arsenic in the groundwater.

According to the 2011 Census of Bangladesh, the residual Laksam Upazila had 57,119 households and a population of 275,646.

Laksam had a literacy rate (age 7 and over) of 81.18%, compared to the national average of 51.8%, and a sex ratio of 1092 females per 1000 males.

Main crops include paddy, wheat, potato, seasonal vegetables.