Mărișelu (Hungarian: Sajónagyfalu; German: Großdorf) is a commune in Bistrița-Năsăud County, Transylvania, Romania.

It is composed of seven villages: Bârla (Berlád), Domnești (Bilak), Jeica (Zselyk), Măgurele (Serling), Mărișelu, Nețeni (Nec), and Sântioana (Sajószentiván).

The commune is situated on the Transylvanian Plateau, in the Nösnerland, a historic region of northeastern Transylvania.

The route of the Via Transilvanica long-distance trail passes through the villages of Mărișelu and Măgurele.

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