The 2005 Men's EuroHockey Nations Challenge I was the first edition of the Men's EuroHockey Nations Challenge I, the third level of the men's European field hockey championships organized by the European Hockey Federation. It was held in Vinnytsia, Ukraine, from September 11 to September 17, 2005.
The number one and two teams were promoted to the "B"-level, the 2007 Men's EuroHockey Nations Trophy, while no team was relegated to the "D"-level, the 2007 Men's EuroHockey Nations Challenge II.
Promoted to the EuroHockey Nations Trophy