| 1-91 | CM West | Scotland Under-19s v West Indies Under-19s | Carisbrook, Dunedin | 2001/02 |
| 2-89 | GT Main | Scotland Under-19s v Pakistan Under-19s | ICC Cricket Academy Ground No 2, Dubai | 2013/14 |
| 0-84 | MM Iqbal | Scotland Under-19s v New Zealand Under-19s | Bangladesh Krira Shikkha Protisthan Ground, Savar | 2003/04 |
| 2-81 | A Bailwal | Scotland Under-19s v Afghanistan Under-19s | Allan Border Field, Brisbane | 2012 |
| 1-73 | BT McKerchar | Scotland Under-19s v West Indies Under-19s | Carisbrook, Dunedin | 2001/02 |
| 0-71 | BT McKerchar | Scotland Under-19s v Australia Under-19s | Carisbrook, Dunedin | 2001/02 |
| 1-70 | MM Iqbal | Scotland Under-19s v India Under-19s | Bangabandhu National Stadium, Dhaka | 2003/04 |
| 0-69 | LD Briggs | Scotland Under-19s v South Africa Under-19s | JB Marks Cricket Oval, Potchefstroom | 2023/24 |
| 1-69 | KA Sajjad | Scotland Under-19s v Zimbabwe Under-19s | De Beers Diamond Oval, Kimberley | 2019/20 |
| 3-69 | PT Sadler | Scotland Under-19s v Afghanistan Under-19s | Allan Border Field, Brisbane | 2012 |
| 3-69 | CB Sole | Scotland Under-19s v Pakistan Under-19s | ICC Cricket Academy Ground No 2, Dubai | 2013/14 |
| 1-67 | KJ Coetzer | Scotland Under-19s v India Under-19s | Bangabandhu National Stadium, Dhaka | 2003/04 |
| 1-66 | CC MacKellar | Scotland Under-19s v Kenya Under-19s | Soweto Cricket Oval, Soweto | 1997/98 |
| 1-66 | MM Iqbal | Scotland Under-19s v West Indies Under-19s | Carisbrook, Dunedin | 2001/02 |
| 1-66 | GT Main | Scotland Under-19s v Afghanistan Under-19s | Allan Border Field, Brisbane | 2012 |
| 0-65 | G Goudie | Scotland Under-19s v India Under-19s | Bangabandhu National Stadium, Dhaka | 2003/04 |
| 1-65 | CM West | Scotland Under-19s v Australia Under-19s | Carisbrook, Dunedin | 2001/02 |
| 1-64 | AK Farooq | Scotland Under-19s v New Zealand Under-19s | Bangladesh Krira Shikkha Protisthan Ground, Savar | 2003/04 |
| 2-64 | CD Peet | Scotland Under-19s v Zimbabwe Under-19s | De Beers Diamond Oval, Kimberley | 2019/20 |
| 0-63 | HS Grewal | Scotland Under-19s v West Indies Under-19s | Carisbrook, Dunedin | 2001/02 |
| 3-63 | HS Grewal | Scotland Under-19s v Australia Under-19s | Carisbrook, Dunedin | 2001/02 |
| 1-61 | KA Sajjad | Scotland Under-19s v Sri Lanka Under-19s | Absa Puk Oval, Potchefstroom | 2019/20 |
| 2-61 | DO Cairns | Scotland Under-19s v Zimbabwe Under-19s | De Beers Diamond Oval, Kimberley | 2019/20 |
| 0-60 | JS Gray | Scotland Under-19s v Australia Under-19s | Carisbrook, Dunedin | 2001/02 |
| 0-60 | RT Lyons | Scotland Under-19s v India Under-19s | Bangabandhu National Stadium, Dhaka | 2003/04 |
| 0-60 | RT Routray | Scotland Under-19s v India Under-19s | Bangabandhu National Stadium, Dhaka | 2003/04 |
| 0-60 | CR Anderson | Scotland Under-19s v New Zealand Under-19s | Bangladesh Krira Shikkha Protisthan Ground, Savar | 2003/04 |
| 4-60 | MA Ghaffar | Scotland Under-19s v Bangladesh Under-19s | Sheikh Kamal International Cricket Stadium, Cox's Bazar | 2015/16 |
| 2-59 | JAR Blain | Scotland Under-19s v South Africa Under-19s | Fanie du Toit Sports Complex, Potchefstroom | 1997/98 |
| 2-59 | GT Main | Scotland Under-19s v Zimbabwe Under-19s | Peter Burge Oval, Brisbane | 2012 |