Sieve method, or the method of sieves, can mean:
- in mathematics and computer science, the sieve of Eratosthenes, a simple method for finding prime numbers
- in number theory, any of a variety of methods studied in sieve theory
- in combinatorics, the set of methods dealt with in sieve theory or more specifically, the inclusion–exclusion principle
- in statistics, and particularly econometrics, the use of sieve estimators