Aleksandr Konstantinovich Chachba-Sharvashidze (Georgian: ალექსანდრე კონსტანტინის ძე შარვაშიძე, Abkhaz: Алеқсандр Константин-иҧа Чачба-Шарвашиӡе, 1867–1968) was a painter from the Russian Empire and member of the Chachba- Sharvashidze princely dynasty of Abkhazia.
Following the death of his cousin, Giorgi Sharvashidze in 1918, Alexander was the locum tenens of the Abkhazian throne.
He co-operated with Alexandre Benois, Aleksandr Golovin, Valentin Serov and Pablo Picasso.
He died on 17 August 1968 at the age of 101 in the hostel for the elderly in Monaco, and was buried at the Russian cemetery in Nice.
[4] On 21 January 2024, the Central Exhibition Hall,[5] in Sukhumi, which stored precious artworks from Abkhazia's National Art Gallery, burned down, resulting in the tragic loss of over four thousand artworks, including up to 300 pieces by Alexander Chachba-Shervashidze.