Grigore I Ghica (1628 – 1675), a member of the Ghica family, was the prince of Wallachia between September 1660 and December 1664 and again between March 1672 and November 1673.
His father was George Ghica, ruler of Moldavia (1658–59) and ruler of Wallachia (1659–60).
In 1661 he established a monastery in Focșani.
Family
He married Maria, daughter of Matei Sturdza.
His son was
Matei Ghica, father of
Grigore II Ghica and
Alexandru Ghica, father of
Grigore III Ghica and
Ecaterina Ghica. Her great-grandson is Grigore Alexandru Ghica.