Streicher is a German surname. Notable people with the surname include:
- Streicher's, police equipment and supply company founded in 1953 in Butler, Wisconsin
- Herbert Streicher, also known as Harry Reems, a pornographic actor
- Johann Andreas Streicher (1761, Stuttgart - 1833, Vienna), German pianist, composer and piano maker
- Nannette Streicher, née Stein (1769, Augsburg - 1833, Vienna), German piano maker, composer and music educator.
- Johann Baptist Streicher (1796, Vienna - 1871, Vienna), Austrian piano maker
- Julius Streicher (1885 - 1946), prominent Nazi prior to World War II, founder and publisher of anti-Semitic Der Stürmer newspaper, executed for war crimes
- Ludwig Streicher (1920 - 2003), contrabass is from Vienna, Austria.
- Michael A. Streicher (1921 - 2006), American metallurgist and engineer who became internationally recognized
- Mike Streicher (born in Findlay, Ohio), American auto racing driver