Slumberland may relate to:
- Slumberland Furniture - a furniture retailer in the midwestern United States
- Slumberland Records, a Seattle-based independent indiepop label,
- Little Nemo in Slumberland - a comic strip featuring the character Little Nemo
- Little Nemo: Adventures in Slumberland - animated film
- Slumberland Ltd, a UK bed manufacturer, now a subsidiary of Investcorp
- Slumberland (novel), a 2008 novel by Paul Beatty
- Slumberland - an album by American Idol winner Lee DeWyze