| Description: | Most popular names for male newborns in Brazil 2013 | 
| Source: | Inofficial list, done by BabyCenter Brasil, based on the names of 69'000 newborns registered on their website | 
| Series: | Brazil | 
| Following list: | 2014 | 
| Previous list: | 2012 | 
| Highest new entries: | Kauê (new at 76),  Davi Luiz (new at 79),  Luan (new at 83),  Ricardo (new at 86),  Henry (new at 88) | 
| Largest rises: | Davi Lucca +27 (now at 60),  Thomas +16 (now at 44),  Vicente +13 (now at 78),  Diego +13 (now at 77),  Davi Lucas +12 (now at 35) | 
| Largest falls: | João Guilherme -18 (now at 66),  Luiz Felipe -17 (now at 58),  Luiz Gustavo -17 (now at 80),  Luiz Henrique -14 (now at 87),  Luiz Otávio -14 (now at 93) |