Uniformity may refer to:

• Distribution uniformity, a measure of how uniformly water is applied to the area being watered
• Religious uniformity, the promotion of one state religion, denomination, or philosophy to the exclusion of all other religious beliefs
• Retention uniformity, a concept in thin layer chromatography
• Tire uniformity, a concept in vehicle technology
• Uniformity (chemistry), a measure of the homogeneity of a substance's composition or character
• Uniformity (complexity), a concept in computational complexity theory
• Uniformity (philosophy), the concept that the same natural laws and processes that operate in the universe now have always operated in the universe
• Uniformity (topology), a concept in the mathematical field of topology
• Uniformity of motive, a concept in astrobiology

• Uniform (disambiguation)
• Diversity (disambiguation)