| H.C. Østerby | |
| Order: | Mayor of Holstebro Municipality |
| Term Start: | 1 January 2010 |
| Predecessor: | Arne Lægaard (V) |
| Birth Date: | 20 December 1955 |
| Party: | Social Democrats |
Hans Christian Østerby (born 20 December 1955)[1] is a Danish politician and the current and second Mayor of Holstebro Municipality. He is a member of the Danish Social Democrats, and he succeeded the former and first mayor Arne Lægaard (V) on 1 January 2010.[2]