Calkin or calkins may refer to:
- a Caulkin, part of a horseshoe
Geography
edit- Calkin Glacier, a glacier west of Sentinel Peak, flowing north from the Kukri Hills in Victoria Land, Antarctica
Mathematics
edit- In functional analysis, the Calkin algebra, named after John Wilson Calkin
- The Calkin–Wilf tree in number theory
People
editOther uses
edit- Calkins Media, a media company based in Levittown, Pennsylvania
- C.C. Calkins, a small steamboat built in 1890 which served on Lake Washington