SCAI may refer to:

• Specialty Coffee Association of Indonesia
• Scientific Computer Applications Inc.
• SCAI, the Fraunhofer-Institute for Algorithms and Scientific Computing, see Fraunhofer Society#Institutes

• 1890 in association football
• 1890 in Australia
• 1890 in baseball
• 1890 in New Zealand
• 1890 in poetry
• 1890 in Swedish football
• 1890 in television
• 1890 in the UK
• 1890 in the United Kingdom
• 1890 in Wales
• 1890 Iowa Hawkeyes football team
• 1890 Japanese general election
• 1890 Minnesota Golden Gophers football team
• 1890 New Brunswick general election
• 1890 New York Giants season
• 1890 Nova Scotia general election
• 1890 Penn State Nittany Lions football team
• 1890 Peruvian presidential election
• 1890 Philadelphia Phillies season
• 1890 Pittsburgh Alleghenys season
• 1890 Prince Edward Island general election
• 1890 Rochester Broncos season
• 1890's
• 1890s in anthropology
• 1890s in comics