| Notion | |
| Cover: | Notion_by_Tash_Sultana.jpg |
| Type: | single |
| Artist: | Tash Sultana |
| Album: | Notion |
| Genre: | Psychedelic rock |
| Label: | Lonely Lands Records |
| Prev Title: | Gemini |
| Prev Year: | 2016 |
| Next Title: | Jungle |
| Next Year: | 2016 |
"Notion" is a song by Australian alternative rock artist Tash Sultana, released on 17 June 2016[1] as the second single from Sultana's extended play Notion (2016). The song was certified platinum in Australia in 2018.