Sladuevo (Macedonian Cyrillic: Сладуево) is a village in the municipality of Demir Hisar, North Macedonia. 
Demographics.
In the 1467/1468 defter the village had 5 households and 1 widow. The household heads bore Albanian or mixed Albanian-Slavic names. 
According to the 2002 census, the village had a total of 77 inhabitants. Ethnic groups in the village include: