| In Defence of Our Earth | |
| Type: | studio |
| Artist: | Oi Polloi |
| Cover: | In Defence of Our Earth.jpg |
| Released: | 1990 |
| Recorded: | January 1990[1] |
| Venue: | Edinburgh, Scotland |
| Studio: | Pier House Studios |
| Genre: | Anarcho-punk, Scottish hardcore |
| Label: | Words of Warning |
| Prev Title: | Unite and Win |
| Prev Year: | 1987 |
| Next Title: | Omnicide.... |
| Next Year: | 1991 |
In Defence Of Our Earth is an anarcho-punk album, by the band Oi Polloi. It was released in 1990 on Words Of Warning Records.