Biota may refer to:

• Biota (ecology), the plant and animal life of a region (not planet earth but a particular region e.g. Tropical region)
• Biota (taxonomy), a superdomain in taxonomy
• Biota (plant), an evergreen coniferous tree, Platycladus orientalis
• Biota (band), an avant-prog band from Colorado, USA
• A synonym for artificial life organizations
• Biota!, a planned aquarium operated by Zoological Society of London (ZSL) in East London
• Biota, Zaragoza, a municipality in Zaragoza province, Spain
• Biota Holdings, an Australian biotech company

Biota! was a proposed aquarium in the Silvertown Quays redevelopment, on the site of Millennium Mills adjacent to the Royal Victoria Dock, part of the wider Thames Gateway regeneration project for East London. The £80 million building by Terry Farrell & Partners architects was given outline planning permission in March 2005 and was initially expected to be completed in 2008. Biota! would have formed one of the main public attractions of the , £1.5 billion development, along with Silvertown Venture Xtreme, an extreme sports and surf centre.