Moster may refer to:
People Edmund Moster (1873–1942), a Croatian Jewish entrepreneur, industrialist, inventor and co-founder of the "Penkala-Moster Company" Kjetil Møster (born 1976), a Norwegian jazz musician and composer Naftuli Moster (born 1986), social activist and founder of YAFFED, Young Advocates for Fair Education Tommy Eide Møster (born 1983), a Norwegian footballer for the team Bryne FK
Places Moster (island), an island off the coast of the larger island of Bømlo in Vestland county, Norway Moster, also known as Mosterhamn, a village in Bømlo municipality in Vestland county, Norway Moster Municipality, a former municipality (1916–1963) in the old Hordaland county, Norway. Moster Church, a church in Bømlo municipality in Vestland county, Norway Old Moster Church, a historic church in Bømlo municipality in Vestland county, Norway
Other Gelber Moster, a variety of white wine grape Moster or Chasselas, a variety of white wine grape Moster (motion movie poster), a high resolution animation of an original film poster authorized by the movie's film studio