2018年夏季青年奧林匹克運動會獎牌榜列出参与该届青年奥林匹克运动会并获得奖牌的队伍与其所得奖牌枚数。依据历届惯例，国际奥林匹克委员会和2018年布宜诺斯艾利斯青奥组织委员会不会公布该届青奥的奖牌榜。然而和前两届不同的是，奥林匹克频道官方网站一度有提供该届青奥的奖牌榜情况。

獎牌榜 
本表格的排行计算方式与国际奥林匹克委员会奖牌榜的排行计算惯例相符。依照惯例，表格以参赛国（即代表参赛国奥委会的代表团）运动员所获得的总金牌数做为排行的首要依据，其次依序为银牌数及铜牌数。如果多个参赛国的名次在按照这个方式排列次序后，排名仍然不相上下，则判定为同名次，并依据国际奥委会国家编码的字母顺序排列。
 主辦國（阿根廷）

{| 
|-
|  ||align=left|  || 29 || 18 || 12 || 59
|-
|  ||align=left|  || 18 || 9 || 9 || 36
|-
|  ||align=left|  || 15 || 12 || 12 || 39
|-
| - ||align=left|  || 13 || 13 || 13 || 39
|-
|  ||align=left|  || 12 || 7 || 5 || 24
|-
|  ||align=left|  || 11 || 10 || 13 || 34
|-style="background:#ccccff;"
|  ||align=left|  || 11 || 6 || 9 || 26
|-
|  ||align=left|  || 7 || 3 || 4 || 14
|-
|  ||align=left|  || 6 || 5 || 7 || 18
|-
|  ||align=left|  || 5 || 15 || 7 || 27
|-
| 10 ||align=left|  || 5 || 7 || 6 || 18
|-
|-
| 11 ||align=left|  || 4 || 8 || 4 || 16
|-
| 12 ||align=left|  || 4 || 5 || 5 || 14
|-
| 13 ||align=left|  || 4 || 5 || 2 || 11
|- 
| rowspan="2"| 14 ||align=left|  || 4 || 3 || 3 || 10
|-
|align=left|  || 4 || 3 || 3 || 10
|- 
| 16 ||align=left|  || 4 || 0 || 2 || 6
|- 
| 17 ||align=left|  || 3 || 9 || 1 || 13
|-
| 18 ||align=left|  || 3 || 4 || 5 || 12
|-
| 19 ||align=left|  || 3 || 4 || 2 || 9
|-
| 20 ||align=left|  || 3 || 3 || 6 || 12
|-
| 21 ||align=left|  || 3 || 3 || 5 || 11
|-
| 22 ||align=left|  || 3 || 2 || 7 || 12
|-
| 23 ||align=left|  || 3 || 2 || 1 || 6
|-
| 24 ||align=left|  || 3 || 1 || 2 || 6
|-
| rowspan="2"| 25 ||align=left|  || 3 || 1 || 1 || 5
|-
|align=left|  || 3 || 1 || 1 || 5
|-
| 27 ||align=left|  || 3 || 1 || 0 || 4
|-
| 28 ||align=left|  || 2 || 4 || 7 || 13
|-
| 29 ||align=left|  || 2 || 3 || 3 || 8
|-
| 30 ||align=left|  || 2 || 3 || 2 || 7
|-
| 31 ||align=left|  || 2 || 2 || 7 || 11
|-
| 32 ||align=left|  || 2 || 2 || 5 || 9
|-
| 33 ||align=left|  || 2 || 2 || 4 || 8
|-
| 34 ||align=left|  || 2 || 2 || 2 || 6
|-
| rowspan="2"| 35 ||align=left|  || 2 || 1 || 3 || 6
|-
|align=left|  || 2 || 1 || 3 || 6
|-
| 37 ||align=left|  || 2 || 1 || 1 || 4
|-
| 38 ||align=left|  || 2 || 1 || 0 || 3
|-
| rowspan="4"| 39 ||align=left|  || 2 || 0 || 0 || 2
|-
|align=left|  || 2 || 0 || 0 || 2
|-
|align=left|  || 2 || 0 || 0 || 2
|-
|align=left|  || 2 || 0 || 0 || 2
|-
| 43 ||align=left|  || 1 || 5 || 1 || 7
|-
| 44 ||align=left|  || 1 || 4 || 7 || 12
|-
| 45 ||align=left|  || 1 || 4 || 1 || 6
|-
| 46 ||align=left|  || 1 || 3 || 5 || 9
|-
| 47 ||align=left|  || 1 || 3 || 3 || 7
|-
| 48 ||align=left|  || 1 || 3 || 0 || 4
|-
| 49 ||align=left|  || 1 || 2 || 2 || 5
|-
| 50 ||align=left|  || 1 || 2 || 0 || 3
|-
| 51 ||align=left|  || 1 || 1 || 7 || 9
|-
| rowspan="4"| 52 ||align=left|  || 1 || 1 || 1 || 3
|-
|align=left|  || 1 || 1 || 1 || 3
|-
|align=left|  || 1 || 1 || 1 || 3
|-
|align=left|  || 1 || 1 || 1 || 3
|-
| 56 ||align=left|  || 1 || 0 || 2 || 3
|-
| rowspan="4"| 57 ||align=left|  || 1 || 0 || 1 || 2
|-
|align=left|  || 1 || 0 || 1 || 2
|-
|align=left|  || 1 || 0 || 1 || 2
|-
|align=left|  || 1 || 0 || 1 || 2
|-
| rowspan="3"| 61 ||align=left|  || 1 || 0 || 0 || 1
|-
|align=left|  || 1 || 0 || 0 || 1
|-
|align=left|  || 1 || 0 || 0 || 1
|-
| 64 ||align=left|  || 0 || 5 || 0 || 5
|-
| 65 ||align=left|  || 0 || 3 || 6 || 9
|-
| 66 ||align=left|  || 0 || 2 || 3 || 5
|-
| rowspan="2"| 67 ||align=left|  || 0 || 2 || 1 || 3
|-
|align=left|  || 0 || 2 || 1 || 3
|-
| 69 ||align=left|  || 0 || 1 || 5 || 6
|-
| 70 ||align=left|  || 0 || 1 || 3 || 4
|-
| rowspan="5"| 71 ||align=left|  || 0 || 1 || 2 || 3
|-
|align=left|  || 0 || 1 || 2 || 3
|-
|align=left|  || 0 || 1 || 2 || 3
|-
|align=left|  || 0 || 1 || 2 || 3
|-
|align=left|  || 0 || 1 || 2 || 3
|-
| rowspan="3"| 76 ||align=left|  || 0 || 1 || 1 || 2
|-
|align=left|  || 0 || 1 || 1 || 2
|-
|align=left|  || 0 || 1 || 1 || 2
|-
| rowspan="4"| 79 ||align=left|  || 0 || 1 || 0 || 1
|-
|align=left|  || 0 || 1 || 0 || 1
|-
|align=left|  || 0 || 1 || 0 || 1
|-
|align=left|  || 0 || 1 || 0 || 1
|-
| rowspan="11"| 83 ||align=left|  || 0 || 0 || 1 || 1
|-
|align=left|  || 0 || 0 || 1 || 1
|-
|align=left|  || 0 || 0 || 1 || 1
|-
|align=left|  || 0 || 0 || 1 || 1
|-
|align=left|  || 0 || 0 || 1 || 1
|-
|align=left|  || 0 || 0 || 1 || 1
|-
|align=left|  || 0 || 0 || 1 || 1
|-
|align=left|  || 0 || 0 || 1 || 1
|-
|align=left|  || 0 || 0 || 1 || 1
|-
|align=left|  || 0 || 0 || 1 || 1
|-
|align=left|  || 0 || 0 || 1 || 1
|-
|- class=sortbottom
| 11–93
| scope="row" align=left| 其餘代表團
| 108 || 136 || 166 || 410
|- class=sortbottom
! colspan=2 | 總計（93個代表團） || 240 || 241 || 263 || 744
|}

參考資料

外部連結
IOC medal table
Insidethegames Medal table

2018年夏季青年奧林匹克運動會