| Type: | narrow-gauge railway |
| Start: | Zittau |
| End: | Oybin, Jonsdorf |
| Routenumber: | 238 |
| Linenumber: | 6960/6961 |
| Linelength: | 16.12NaN2 |
| Maxincline: | 33‰ or 3.3% or 1:30 |
| Minradius: | 751NaN1 |
| Speed: | 25km/h |
| Map: | |
| Open: | November 25, 1889 |
| Depot: | Bertsdorf |
| Operator: | Zittau-Oybin-Jonsdorf Railway Company, Royal Saxon State Railways, Deutsche Reichsbahn, DR, DB, Saxon-Upper Lusatian Railway Company |
The Zittau–Oybin/Jonsdorf railway, or Zittau–Kurort Oybin/Kurort Jonsdorf narrow-gauge railway (German: Schmalspurbahn Zittau–Kurort Oybin/Kurort Jonsdorf), is a narrow-gauge railway system employing steam locomotives and serving the mountain health-spa resorts (German: Kurorte) of Oybin and Jonsdorf in the Zittau Mountains in southeast Saxony (Germany). The track gauge is .