| Sophia of Lithuania | |
| Consort: | yes |
| Succession: | Regent of Moscow |
| Reign: | 1425–1432 |
| Reign-Type: | Regency |
| Reg-Type: | Monarch |
| Regent: | Vasily II |
| Succession1: | Grand Princess consort of Moscow |
| Reign1: | 1391–1425 |
| Predecessor1: | Eudoxia of Moscow |
| Successor1: | Maria of Borovsk |
| Birth Date: | 1371 |
| Place Of Burial: | Cathedral of the Archangel Ascension Convent (until 1929) |
| House: | Kęstutis |
| Spouse: | Vasily I |
| Issue: | Anna, Byzantine Empress Vasily II of Moscow |
| Issue-Pipe: | More… |
| Issue-Link: |
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| Father: | Vytautas |
| Mother: | Anna |
| Religion: | Russian Orthodox prev. Roman Catholic |
Sophia Vitovtovna of Lithuania (Lithuanian: Sofija Vytautaitė, Russian: Софья Витовтовна|Sofya Vitovtovna; 1371 – 1453) was the grand princess of Moscow as the wife of Vasily I from 1391 to 1425. She was regent for her son Vasily II from 1425 to 1432.[1] Her father was Vytautas, the grand duke of Lithuania.
She was the daughter of Vytautas the Great of Lithuania and his first wife, Anna. On 21 January 1391, while her father was engaged in the Lithuanian Civil War, she married Vasili I of Moscow. She was the longest serving consort of Russia.
After Vasili's death in 1425 she became regent for their ten-year-old son Vasili II. Her father supported Vasili's claim to the throne, which was disputed by his uncle, Yuri of Zvenigorod.
Sophia was buried in the Ascension Convent; the sarcophagus was moved in 1929 to the Cathedral of the Archangel by Soviet authorities.[2]
She and Vasili I had at least nine children, five boys (of which only one survived to mature adulthood) and four girls:
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