Sidnei is a unique and charming name for a baby girl. It has Portuguese origins and is pronounced as see-DNEY in Portuguese and SID-nee in English. The name Sidnei is a variation of Sidney, which means "wide island" or "from Saint Denis" in French. Although it can be used for both boys and girls, it is more commonly given to girls. In the United States, Sidnei has been a steadily popular choice over the years, with occurrences ranging from 5 to 7 newborns per year. This name exudes strength and individuality while also maintaining a sense of elegance, making it an excellent choice for parents looking for something distinctive yet timeless for their daughter.
| Sidnei is a Brazilian professional footballer who plays as a centre-back. |
| Sidnei Tavares is a Portuguese footballer who plays as a defensive midfielder for Wisla Plock on loan from Blackburn Rovers. |