| Logo = Emblema Buenos Aires 2018 youth olympic games v2.svg
| Size = 150px
| caption = Logo resmi
| Host city = [[Buenos Aires]], [[Argentina]]
| Motto = ''Feel the future''<br />([[Spanish language|Spanish]]: ''Viví el futuro'')<ref name="mottobuenosaires2018.com">{{cite web|title=“Viví el futuro”, el lema de Buenos Aires 2018|url=https://www.buenosaires2018.com/es/noticias/vivi-el-futuro-el-lema-de-buenos-aires-2018|website=buenosaires2018.com|publisher=buenosaires2018.com|accessdate=9 April 2018|archive-url=https://web.archive.org/web/20180409235836/https://www.buenosaires2018.com/es/noticias/vivi-el-futuro-el-lema-de-buenos-aires-2018|archive-date=9 April 2018|language=Spanish}}</ref>
| Nations participating = 206
| Athletes participating = 3.997
| Events = 239 (32 cabor)
| Opening ceremony = {{Start date and age|2018|10|6}}
| Closing ceremony = 18 Oktober 2018
| Officially opened by = [[Mauricio Macri]]
| Officially closed by =
| athletes' oath =
| judge's oath =
| coaches' oath =
| torch_label =
| torch_lighter =
| Olympic Flame =
| Stadium = Parque Olímpico de la Juventud
| Stadium = [[Stadion Olimpiade Diamniadio]]
| SpreviousS = [[Olimpiade Remaja Musim Panas 2014|Nanjing 2014]]
| SnextS = [[Olimpiade Remaja Musim Panas 2026|Dakar 2026]]
| Sprevious = [[Olimpiade Remaja Musim Dingin 2016|Lillehammer 2016]]
| Snext = [[Olimpiade Remaja Musim Dingin 2020|Lausanne 2020]]
