The term Iser can mean:
- Wolfgang Iser, German literary scholar (1926-2007)
- The German name for the Jizera river in the Czech Republic
- iSER, the iSCSI Extensions for RDMA computer network storage protocol
- International Society for Eye Research
- Institute for Social and Economic Research, University of Essex
- Edge router, Ericsson media gateway router.
See also Yser, Jizera River