Adsul may refer to:

• Adsul, Texas, an unincorporated community
• Anandrao Vithoba Adsul (born 1947), an Indian politician

• Waterloo Clark
• Waterloo Community Unit School District 5
• Waterloo (computer game)
• Waterloo Creek (disambiguation)
• Waterloo, Dorset
• Waterloo East train station
• Waterloo, Fayette County, Indiana
• Waterloo Forest Reserve
• Waterloo Global Science Initiative
• Waterloo Hawks all-time roster
• Waterloo Hawks (baseball)
• Waterloo Helmet
• Waterloo High School (Alabama)
• Waterloo High School (disambiguation)
• Waterloo Historic District
• Waterloo Historic District (Illinois)
• Waterloo Historic District (Warner, New Hampshire)
• Waterloo Hotel
• Waterloo, Il
• Waterloo, In
• Waterloo Indians
• Waterloo Institute for Nanotechnology
• Waterloo Institute for Nanotechnology (WIN)
• Waterloo, Iowa Police Department
• Waterloo Ironworks