| Eric I, Count of Hoya | |
| Noble Family: | House of Hoya |
| Father: | John II, Count of Hoya |
| Mother: | Helen of Saxe-Lauenburg |
| Spouse: | Helen of Brunswick-Lüneburg |
| Issue: | John V, Count of Hoya |
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| Birth Date: | 1370 |
| Death Date: | 1426 |
Eric I, Count of Hoya (1370-1426) was a German nobleman. He was the ruling Count of Upper Hoya from 1377 until his death.
Eric was the son of Count John II and his wife Helen, a daughter of Duke Eric I of Saxe-Lauenburg. His brother, John was Bishop of Paderborn from 1394 to 1399 and Bishop of Hildesheim from 1399 to 1424. His brother Otto was Bishop of Münster from 1392 to 1424, and from 1410 to 1424 also administrator of Osnabrück
Eric inherited Upper Hoya in 1377. He expanded the county to the south, at the expense of the Bishopric of Minden. In 1383, he built a castle at Diepenau. Bishop Wittekind II of Minden destroyed this castle a short time later. He also destroyed the village of Uchte and its castle. Eric retaliated by destroying Fischer, a suburb of Minden. He reconquered Diepenau and Uchte and rebuilt the castles.
He expanded the county further by purchasing manors.
In 1390, Eric married Helen, a daughter of Duke Magnus II Torquatus of Brunswick-Lüneburg. The marriage produced six children: