A vehicular lamp 10 including an LED module 60 that is a light source and a power supply socket 70 for connecting the LED module to a power supply. The LED module is made of an LED substrate 61, an LED 62 mounted on the LED substrate, a pair of positive and negative current-conducting parts 63 connected to the LED and formed on both sides of the LED. The power supply socket includes a base body 71 made from an insulating material and a pair of positive and negative terminals 72 held in a pair of holding portions 73 of the base body. When the LED module is set in the power supply socket, the holding portions of power supply socket hold the side edge portions of the LED module, and the pair of positive and negative terminals come into contact with the current-conducting parts of the LED module.