The Brazil winger played a huge part in the incredible scenes at the Nou Camp tonight.
Luis Enrique's side achieved the unthinkable and fought back against Paris Saint-Germain to qualify for the quarter-finals.
Barca's 4-0 goal deficit from the first leg in France was something no team had ever overturned in the competition's history.
Even with Edinson Cavani's away goal, making the job twice as hard in Spain, Barca never gave up.
Neymar netted twice on the night to help Barcelona beat PSG 6-5 on aggregate
With three goals needed in the final stages at the Nou Camp, Neymar stepped up.
The superstar forward bagged twice before Sergi Roberto netted the all-important sixth to send fans wild.
However, a big task awaits with Barca joining the likes of rivals Real Madrid, Borussia Dortmund and Bayern Munich in the last eight.
Barcelona fans react on Twitter after unbelievable comeback against PSG
Wed, March 8, 2017
Barcelona fans have gone mental on Twitter after the Catalans came back from 4-0 down against Paris Saint-Germain to win 6-5 on aggregate in their Champions League last-16 tie
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Twitter reacts as Barcelona complete an unbelievable comeback against PSG
What happened to PSG could have happened to any team
Luis Enrique would love to leave on a high at the end of the season, and Neymar wants his colleagues focused on the battles ahead so they don't leave themselves with too much to do again.
"We haven’t won anything yet, we have a long way to go [in the Champions League]," Neymar told Barcelona's official website.
"What happened to PSG could have happened to any team."
Barca will discover their Champions League quarter-final opponents in next Friday's draw.