-tio names for baby boys, with 23 entries. -tio names are rarely used baby names for boys. -tio names are not ranked within the top 1000 names.
| Antio | stubborn, resistant ... language of origin is Old Greek ... derivative of Antioco ... |
| Assumptio | assumption ... an Italian name of Latin origin ... not popular as a baby boy name ... |
| Avitio | from grandfather ...The origin of Avitio is the Latin language ... an unusual baby boy name ... |
| Constantio | steadfast, constant ... has its origins in the Latin language ... variant of Constantine ... |
| Crisantio | golden flower ... language of origin is Old Greek ... derivative of Crisanto ... |
| Crizantio | golden flower ... language of origin is Old Greek ... form of Crisanto ... not regularly used as a baby boy ... |
| Cuartio | born fourth ... derived from Spanish origins ... not often used as a baby boy name ... |
| Giustio | just, righteous, fair ... derived from Latin origins ... variant form of Giustino ... |
| Honestio | reputable ... origin is Spanish ... variant transcription of Honesto ... not popular as a baby boy name ... |
| Horatio | language of origin is Etrusk, and it is used ... variant transcription of Horaz ... |
| Hustio | a righteous man ... origin is Spanish ... derivative of Husto ... infrequently used as a baby name for ... |
| Ignatio | fire ... used mostly in Spanish and it is of ... derivative of Ignatius ... not widely used as a baby name for ... |
| Leratio | the song of my soul ... has its origins in the Latin language ... derivative of Lerato ... |
| Lucentio | light ... language of origin is Italian ... a rare baby boy name ... not ranked within the top 1000 ... |
| Mercutio | mercury; merchandise ... origin is Latin, and its use, English ... variant transcription of Mercury ... |
| Nestio | serious ...The origin of Nestio is the Spanish language ... variant transcription of Nesto ... |
| Perfectio | perfect ...The origin of Perfectio is the Latin language ... variant form of Perfecto ... a rare baby boy name ... |
| Salustio | he who offers salvation ... derived from Latin origins ... unusual as a baby name for boys ... |
| Sanctio | sacred ... has its origins in the Latin language ... derivative of Sancho ... |
| Silvestio | man of the woods ... used predominantly in Italian and it ... variation of Silvester ... |
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