Grigorij Khizhnyak (alternate spelling: Grygorii Khizhniak, ; July 16, 1974 â October 5, 2018) was a Ukrainian professional basketball player. Standing at a height of , he played at the center position. He was the EuroLeague's leader in blocked shots in two consecutive seasons, in 2000âÂÂ01 and 2001âÂÂ02.
Khizhnyak, who was a dominant defensive force in the paint, led the EuroLeague in blocks per game for two consecutive years (2001, 2002), while playing with the Lithuanian League club à ½algiris Kaunas. Among his greatest career achievements, was his participation in the ULEB Cup (EuroCup)'s 2005 Final, while he was a member of the Greek League club Makedonikos.
Khizhnyak was a regular member of the senior men's Ukrainian national basketball team. With Ukraine, he played at the 1997 EuroBasket, and the 2003 EuroBasket.
Khizhnyak died of a heart attack on 5 October, 2018, at the age of 44.
|- | style="text-align:left;"|2000âÂÂ01 | style="text-align:left;" rowspan="2"|à ½algiris Kaunas | 12 || 12 || 29.8 || .539 || .000 || .840 || 7.2 || .8 || .7 || style="background:#CFECEC;"|3.2 || 12.1 || 18.8 |- | style="text-align:left;"|2001âÂÂ02 | 14 || 14 || 32.2 || .508 || .333 || .888 || 8.1 || 1.4 || .9 || style="background:#CFECEC;"|3.2 || 14.4 || 21.6 |- class="sortbottom" | style="text-align:center;" colspan="2"|Career | 26 || 26 || 31.1 || .520 || .167 || .865 || 7.7 || 1.2 || .8 || 3.2 || 13.3 || 20.3