| Competition: | Ljubljana Subassociation League |
| Season: | 1929–30 |
| Winners: | Ilirija |
| Prevseason: | 1928–29 |
| Nextseason: | 1930–31 |
The 1929–30 Ljubljana Subassociation League was the eleventh season of the Ljubljana Subassociation League. Ilirija won the league after defeating I. SSK Maribor with 7–6 on aggregate in the final.[1] I. SSK Maribor won the first match 5–3, but Ilirija won the second match 4–1 to clinch the title.[1]