The Brazil international, who won the tournament with Barcelona in 2015, enlisted the services of artist Adao Rosa to apply the design to his skin.
Anther new tattoo for Neymar! pic.twitter.com/mRt533pKbK— Brazil Football 🇧🇷 (@BrazilEdition2) February 10, 2018
According to the Daily Mail, Neymar also had three swallows tattooed behind his left ear to symbolise "honour, respect, courage, freedom, dignity and trust".
Neymar is in Champions League action on Wednesday evening when his PSG side visits Real Madrid for the first leg of the last-16 clash between the two sides.
The competition represents Real's last hope of silverware this season, while PSG are on course for a domestic treble in addition to maintaining European ambitions.