Yes, Cristiano Ronaldo has been banned from playing on several occasions throughout his career.
Notable Bans:
- 2008: He was banned for three matches after receiving a red card in the 2008 UEFA Champions League Final.
- 2011: He was banned for two matches after receiving a red card in the 2011 UEFA Champions League quarter-final.
- 2017: He was banned for five matches after pushing the referee in a match against Barcelona.
- 2019: He was banned for two matches after receiving a red card in a match against Valencia.
- 2022: He was banned for two matches after striking a fan's phone following a match against Everton.
These are just a few examples of Ronaldo's bans. He has also been cautioned numerous times for his actions on the field, which have sometimes been considered controversial.