Absentia
- Blwyddyn: 2011
- Gwlad: United States of America
- Genre: Horror, Mystery, Thriller
- Stiwdio: FallBack Plan Productions, Blue Dot Productions
- Allweddair: grief, apparition, investigator, missing person, tunnel, declared dead, missing husband, returned alive, sister sister relationship, absent husband, underpass
- Cyfarwyddwr: Mike Flanagan
- Cast: Katie Parker, Courtney Bell, Morgan Peter Brown, Dave Levine, Justin Gordon, Doug Jones