"Remember December" is a song recorded by American singer Demi Lovato for her second studio album, Here We Go Again. It was written by John Fields, Lovato and Anne Preven, and produced by Fields. The song was released as the album's second and final single only in Europe on January 18, 2010 through Hollywood Records – but wasn't released in North America. "Remember December" adapts power pop and synthpop genres and diverges from Lovato's usual pop rock sound. The lyrics describe the protagonist's attempt to remind her boyfriend of the good times of their relationship. Lovato described the song's sound as an example of what she wanted her future music to sound like.

"Remember December" received generally positive reviews from music critics; the majority of them praised its hook and chorus. Several critics also named it one of the album's standouts. "Remember December" was commercially unsuccessful, peaking at number 80 on the UK Singles Chart and failing to enter charts elsewhere. It sold 144,000 copies in the United States, according to Nielsen SoundScan. Lovato has performed the song numerous times, including on her tour Summer Tour 2009 and The Alan Titchmarsh Show.

In January 2009, Lovato first started writing the songs for her sophomore album Here We Go Again, right after filming from the first season of Sonny with a Chance. In April 2009, Lovato explained about the album's process and collaborating with other songwriters and artists, such as Jon McLaughlin and The Academy Is... lead singer William Beckett. Unlike her first studio album Don't Forget, she did not collaborate with the Jonas Brothers, as she wanted to see what her sound would be like without their input. According to Lovato, the album's writing process was nearly completed in just two weeks.

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