Otavalo may refer to:

• Otavalo (city), Ecuador
• Otavalo Canton, Ecuador
• Otavalo people, indigenous people in northern Ecuador
• Otavalo Valley in the Ecuadorian Andes near the Cuicocha caldera

• OilRush
• Oil-sand crude
• Oil Sands Karaoke
• Oil sands of Canada
• Oil sands pollution in Canada
• Oil sands tailings ponds
• Oils castorem
• Oils castoreum
• Oilseed press
• Oilseed Press
• Oilseed radish
• Oilseed radishes
• Oil shale ash
• Oil shale coke
• Oil-shale deposit
• Oil shale economy
• Oil Shale Exploration Company
• Oil shale-fired power plant
• Oil shale-fired power station
• Oil shale history
• Oil shale in Australia
• Oil shale industries
• Oil shale industry in Estonia
• Oil shale in Israel
• Oil shale in Morocco