I Need to Know

I Need to Know may refer to:


 * "I Need to Know" (Tom Petty and the Heartbreakers song), a 1978 song by Tom Petty
 * "I Need to Know" (Marc Anthony song), a 1999 song by Marc Anthony
 * "I Need to Know" (Sleeping with Sirens song), 2017
 * I Need to Know (TV series), a Nigerian television series
 * "I Need to Know", a 2009 song by Kris Allen from his album Kris Allen