David Blue may refer to:

• David Blue (musician) (1941–1982), American singer-songwriter and actor
• David Blue (actor) (born 1982), American actor, writer, producer and director
• David Blu (born 1980), American-Israeli professional basketball player

• Cheer Athletics
• Cheer Bear's Chance
• Cheer (brand)
• Cheer Chen
• Cheerday
• Cheerday Beer
• Cheerday beer
• Cheer, Dorothy, Cheer!
• Cheer Down
• Cheer Factor
• Cheer for Old Vandy
• Cheerful Goodbyes
• Cheerful Little Earful
• Cheerfulness
• Cheerio
• Cheerio (company)
• Cheerio (drink)
• Cheerios Betty Crocker 200
• Cheerios effect
• Cheerlead
• Cheerleader 666
• Cheerleader Camp
• Cheerleader Camp (disambiguation)
• Cheerleader Melissa
• Cheerleader Nation