Kollam Assembly constituency is a legislative assembly constituency in the South Indian state of Kerala. It is one among the 11 assembly constituencies in Kollam district. As of the 2021 assembly elections, the current MLA is Mukesh of CPI(M).

Kollam Assembly constituency includes 19 wards of Kollam City Corporation (Kureepuzha West, Kureepuzha, Neeravil, Anchalumoodu, Kadavoor, Mathilil, Thevally, Vadakkumbhagam, Uliyakovil East, Kadappakada, Koickal, Kallumthazham, Mundakkal, Pattathanam, Cantonment, Udayamarthandapuram, Thamarakkulam, Pallithottam and Port Kollam) along with the neighbouring panchayaths of Panayam and Thrikkaruva, as per the recent changes on Assembly constituency delimitations.

The following list contains all members of Kerala Legislative Assembly who have represented the constituency:

Percentage change (±%) denotes the change in the number of votes from the immediate previous election.

There were 1,76,041 registered voters in the constituency for the 2021 Kerala Assembly election.

There were 1,72,552 registered voters in the constituency for the 2016 Kerala Assembly election.

There were 1,60,475 registered voters in the constituency for the 2011 election.