A crosier, or crozier, is the stylized staff of office carried by high-ranking Roman Catholic, Eastern Orthodox, Anglican, some Lutheran, and Pentecostal prelates.

Crosier or Crozier may also refer to:

Places Crozier (crater), a lunar crater Crozier, Virginia, USA, an unincorporated community Crozier, Arizona, USA, a census-designated place Cape Crozier, the most easterly point of Ross Island in Antarctica Crozier Island, off the northwest coast of Greenland

Other uses Crosier (surname) Crozier (surname) Crosiers, general name for several similar Roman Catholic orders Crozier (mycology), an anatomical feature of many fungi in the phylum Ascomycota Crozier, another name for fiddlehead, a furled frond of a young fern