Underground
- Blwyddyn: 1928
- Gwlad: United Kingdom
- Genre: Drama, Romance
- Stiwdio: BIF
- Allweddair: love triangle, love at first sight, subway, romantic rivalry, man woman relationship, london underground, unrequited love, silent film, 1920s, shopgirl, porter, power plant, romantic rival
- Cyfarwyddwr: Anthony Asquith
- Cast: Brian Aherne, Elissa Landi, Cyril McLaglen, Norah Baring