Do U Know
 Do U Know is the 3rd studio album of Hong Kong based singer Janice Vidal released on 21 November 2006. The title is named after Diana Ross's Theme from Mahogany (Do You Know Where You're Going To) which Vidal covers in the album. The album contains songs in both Cantonese and English. Music video in this album were extracts from the musical firm A Melody Looking.