Jarmina is a village and municipality in the Vukovar-Srijem County in Croatia.
In German the village is known as Jahrmein or Hermann, in Hungarian as Járomnaszentmiklós, and in Serbian Cyrillic as Јармина.
Before World War II there was a substantial German-speaking Danube Swabian population here. According to the 2001 census, there are 2,627 inhabitants, 98.13% which are Croats.
The municipality is home to a monument to defenders and civilians killed in the Croatian War of Independence which has the names of 15 deceased people.
Near Borinci, a village, which belongs to Jarmina, there is a 171 metres tall guyed mast for FM-/TV-broadcasting.
Jarmina is unofficial name of the Vinkovci Marshaling yard and freight railway station.