Waste comes in many different forms and may be categorized in a variety of ways. The types listed here are not necessarily exclusive and there may be considerable overlap so that one waste entity may fall into one to many types.

• Agricultural waste

• Animal by-products (see slaughterhouse waste)

• Biodegradable waste

• Biomedical waste

• Bulky waste

• Business waste

• Chemical waste

• Clinical waste (see Biomedical waste)

• Coffee wastewater

• Commercial waste

• Composite waste

• Construction and demolition waste (C&D waste)

• Controlled waste

• Demolition waste

• Dog waste

• Domestic waste

• Electronic waste (e-waste)

• Food waste

• Green waste

• Grey water

• Hazardous waste

Household waste

• Household hazardous waste

Human waste

• Sewage sludge

Industrial waste

• Slag

• Fly ash

• Sludge

• Inert waste

• Inorganic waste

• Kitchen waste

• Litter

• Marine debris

• Medical waste

• Metabolic waste. See also Feces.

• Mineral waste. See also Inorganic waste.

• Mixed waste

• Municipal solid waste

• Nuclear waste (see Radioactive waste)

• Organic waste

• Packaging waste

• Post-consumer waste

Radioactive waste

• Low-level waste

• High-level waste

• Mixed waste (radioactive/hazardous)

• Spent nuclear fuel

• Recyclable waste

• Residual waste

• Retail hazardous waste

• Sewage

• Sharps waste

• Ship disposal

• Slaughterhouse waste

• Special waste (see Hazardous waste)

See also

• List of waste management companies

• List of waste management topics

• List of solid waste treatment technologies

• List of Superfund sites in the United States

• List of topics dealing with environmental issues

• Pollution

• Waste characterisation

• Waste management

• Waste-to-energy