Old Novgorod dialect

The Old Novgorod or Old Novgorodian dialect (Russian: древненовгородский диалект, romanized: drevnenovgorodskiy dialekt, lit. 'ancient Novgorodian dialect') was the East Slavic variety used in the city of Veliky Novgorod and its surrounding area. It is mainly known from medieval birch bark writings dating to the 11th to 15th centuries. According to Andrey Zaliznyak, together with the Old Pskov dialect, it formed a cluster of closely related dialects which converge with the other East Slavic dialects only in the Proto-Slavic stage. The Novgorod-Pskov dialect is also referred to as (Early) North Russian and Northwest Old Russian. Zaliznyak distinguished it from "supra-dialectal Old Russian".

The Old Novgorod dialect is of particular interest in that it has retained some archaic features which were lost in other Slavic dialects. For example, the birch bark letters from the Novgorod-Pskov area attest that the second palatalization failed to reach this area. Other manuscripts have also shown distinct north Russian dialect forms, in addition to the birch bark letters. Furthermore, the letters provide unique evidence of the Slavic vernacular, as opposed to the Church Slavonic, which dominated the written literature of the period. Most of the letters feature informal writing such as personal correspondence, instructions, complaints, news, and reminders. Such widespread usage indicates a high level of literacy, even among women and children. The preserved notes display the original spelling of the time; unlike some texts, they were not copied, rewritten or edited by later scribes.

Today, the study of Novgorodian birch bark letters is an established scholarly field in Russian historical linguistics, with far-ranging historical and archaeological implications for the study of the Russian Middle Ages.