A searchable guide to the complete WordPress Icon Library (@wordpress/icons) package from Gutenberg.
import { Icon, category } from '@wordpress/icons';
<Icon icon={category} />
<svg viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false"><path d="M6 5.5h3a.5.5 0 01.5.5v3a.5.5 0 01-.5.5H6a.5.5 0 01-.5-.5V6a.5.5 0 01.5-.5zM4 6a2 2 0 012-2h3a2 2 0 012 2v3a2 2 0 01-2 2H6a2 2 0 01-2-2V6zm11-.5h3a.5.5 0 01.5.5v3a.5.5 0 01-.5.5h-3a.5.5 0 01-.5-.5V6a.5.5 0 01.5-.5zM13 6a2 2 0 012-2h3a2 2 0 012 2v3a2 2 0 01-2 2h-3a2 2 0 01-2-2V6zm5 8.5h-3a.5.5 0 00-.5.5v3a.5.5 0 00.5.5h3a.5.5 0 00.5-.5v-3a.5.5 0 00-.5-.5zM15 13a2 2 0 00-2 2v3a2 2 0 002 2h3a2 2 0 002-2v-3a2 2 0 00-2-2h-3zm-9 1.5h3a.5.5 0 01.5.5v3a.5.5 0 01-.5.5H6a.5.5 0 01-.5-.5v-3a.5.5 0 01.5-.5zM4 15a2 2 0 012-2h3a2 2 0 012 2v3a2 2 0 01-2 2H6a2 2 0 01-2-2v-3z" fill-rule="evenodd" clip-rule="evenodd"></path></svg>
category – WordPress Icon Library