If You Only Knew

If You Only Knew may refer to:


 * "If You Only Knew" (song), 2008
 * "If You Only Knew" (Savannah Outen Song), 2009
 * If You Only Knew (album), a 1999 album by Gina Thompson
 * If You Only Knew, a 1956 album by Jimmy Scott
 * If You Only Knew, a song on the 1987 album Piledriver: The Wrestling Album II