Eighteen junior teams played for Southern United in 2013 with the new Under 16/ Under 14/ Under 12 and Under 10 Structure, with the first under 10 full field team also playing.
| Team | Position on Ladder | Finals | Coach |
|---|---|---|---|
| Under 10 | |||
| Under 10 Full Field Shield | 2nd | Peter Paice | |
| Under 10 Black | 6th | Sinead and Cam Vorrath | |
| Under 10 Dendy | 4th | Phoebe Willcock | |
| Under 10 Silver | 1st | Amy Beet | |
| Under 10 Red | 9th | Warren Davey | |
| Under 12 | |||
| Under 12 A | 4th – | Michael Pearce | |
| Under 12 Pennant SE | 5th | Craig Williams | |
| Under 12 South Red | Minor Premier | Premier | Ken Walker/Olivia Finlayson |
| Under 12 South Black | 9th | Chris Abaniel | |
| Under 14 | |||
| Under 14A | Minor Premier | Runner up | Rob Dalton |
| Under 14 South Black | Minor Premier | Runner up | Campbell Jones |
| Under 14 South Red | 7th | Julian Pratt | |
| Under 14 Girls A | 2nd | Premier | Caitlin Campbell/Jo Campbell |
| Under 16 | |||
| Under 16PSe | 5th | Nathan Gardiner | |
| Under 16East | 5th | Andrew Armstrong | |
| Under 16S Red | 7th | Hayden Jones | |
| Under 16S Black | 6th | Warren Davey | |
| Under 16 Girls A | 3rd | Lex Jonhson/Suzie Styles |
| Premiership Teams | |
|---|---|
| Under 14 GA | Under 12 South |
| Alex Siedle | Nathan Andrew |
| Charley Malligan | Ashlee Ball |
| Charlotte Crole | Grace Desmond |
| Daisy Causer | Madeleine French |
| Danielle Logan | Makayla Houniet |
| Emily Stone | Samuel Letts |
| Emma Leighton | Ethan McCaskill |
| Georgia Elston | Katherine McNess |
| Imogen Kane | Felix O’Neill-Pugh |
| Isabella Dredge | Rylan Pease |
| Meg Siedle | Harry Quig |
| Molly Rowe | Matthew Seath |
| Olivia Carruthers | Digby Stannus |
| Olivia Downes | Erin Stimson |
| Wietske Anema |
