Dailučiai is a small village in Marijampolė County, Lithuania.

It is located 3 kilometres (1.9 mi) east from Virbalis near the Marijampolė−Kybartai road.

According to the census of 2011, it had 147 residents.

[1] Dailučiai was established after World War I when Versnupiai manor was abolished.

Algimantas Sakalauskas, Lithuanian folk artist and wood sculptor, was born in Dailučiai.