Look up decade in Wiktionary, the free dictionary.

A decade is a period of ten years.

Decade may also refer to:

Counting

• Ten of anything (grouping)
• Decade (log scale), a factor of 10 difference between two numbers
• "Decadi", the French Republican Calendar 10-day period to replace the 7-day biblical week
• Cosmological decade
• Any of the sequences of ten consecutive beads in a rosary

Music

• Decade (Neil Young album), a triple album compilation
• Decade (Dr. Awesome album), by Bjørn Lynne, also known as Dr. Awesome
• Decade (Rabbit in the Moon album), by Rabbit in the Moon
• Decade: Greatest Hits, an album by Duran Duran
• Decade 1998–2002, a compilation album by Dir en grey
• Decade 2003–2007, a compilation album by Dir en grey
• A Decade, an album by Our Lady Peace
• "Decades", a song by Joy Division from the album Closer

Other

• Decade (solitaire), a card game, also called "Ten-Twenty-Thirty" or "One-Handed Solitaire"
• Decade (Beanie Baby), a Beanie Baby made in 2003
• Guitar Hero On Tour: Decades, a video game
• Kamen Rider Decade, a Japanese tokusatsu TV series. Also the name of its title character.

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