[Object] To provide a lighting device and a display device that can prevent contact between a reflective sheet having a metal film and solder firmly fixed to terminal areas of LEDs that are disposed in LED openings of the reflective sheet.[Solution] A lighting device 10 includes: a plurality of LEDs 15 serving as backlight light sources; an LED substrate 11 mounted with the plurality of LEDs 15; a reflective sheet 12 having a plurality of LED openings 13 in which the plurality of LEDs 15 are disposed, respectively, and having a metal film on a surface of the reflective sheet 12 opposite to a surface of the reflective sheet 12 that faces the LED substrate 11; and a support 17 that supports the reflective sheet 12 at a higher position than a height of solder 16 firmly fixed to terminal areas of the LEDs 15 that face the LED substrate 11.