Only Mariano Martin (99) and the legendary Laszlo Kubala (103) have taken fewer appearances to reach 100 Barca goals.
The Uruguayan volleyed home Neymar's cross in acrobatic fashion at the Camp Nou to put Barca 1-0 up on Athletic Bilbao in the second leg of their Copa del Rey last-16 clash and ahead in the tie on away goals with the scores level at 2-2.
Only Mariano Martin (99) and legendary Hungarian striker Laszlo Kubala (103) have taken fewer appearances to reach 100 Barca goals.
Suarez's strike was also the 300th scored by Barca's fearsome "MSN" forward line since he joined the club in 2014 with Messi netting 124 and Neymar 76.
It took Messi 188 games to reach 100 goals.