Dan Romer is an American music producer, singer-songwriter, and film composer based in Los Angeles.

As a film composer, Romer's scores include four-time Oscar-nominated Beasts of the Southern Wild, Beasts of No Nation, Chasing Coral, Gleason, Good Doctor and the Emmy-winning Jim: The James Foley Story. Romer scored the Ubisoft video game Far Cry 5 released on March 27, 2018.

He has produced music for numerous artists including A Great Big World and Christina Aguilera, whose single "Say Something," topped charts around the world, hit 6x Platinum, sold over 7 million copies, and won a 2015 Grammy. Dan co-produced "Treat You Better" by Shawn Mendes which reached number 1 on the iTunes chart and number 3 on the US Top 40 pop radio charts in September 2016.