Aleksandr Porkhomovskiy (born 12 August 1972) is a Russian-born Israeli sprinter.
His personal best in the 100 meters is 10.12, set in Russia on July 14, 1994.
He competed five times at IAAF Athletics World Championships in 1993 (semi finalist), 1995 (quarter finalist), 1997 (quarter finalist), 1999 (quarter finalist) and 2001 (quarter finalist).
He is Israel's record holder at 100 meters and 60 meters
and was former Russian record holder at 100 meters U23.