Koser

Koser may refer to:


 * Anja Koser (born 1970), German handball and football player
 * Fatma Koşer Kaya (born 1968), Dutch lawyer and politician of Turkish origin
 * Ralf Koser (born 1973), German judoka
 * several Yugoslavian sailplanes designed by Jaroslav Koser:
 * Koser-Hrovat KB-1 Triglav
 * Koser KB-3 Jadran
 * Koserbach (other name Koser), a river of Bavaria, Germany, tributary of the Schorgast
 * Großer Koserbach, uppercourse name of the Koserbach
 * Kleiner Koserbach, tributary of the Koserbach