You could get a bit dizzy from this one, but it might come in handy.
Source Dertig Media
From a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Floral patterns will never go out of style, so enjoy this one.
Source Lasma
Here's a repeatable texture that resembles a light green concrete wall or something similar.
Source V. Hartikainen
A criss-cross pattern similar to one I saw mown into a sports field.
Source Firkin
This was submitted in a beige color, hence the name. Now it’s a gray paper pattern.
Source Konstantin Ivanov
Pattern #100! A black classic knit-looking pattern.
Source Factorio.us Collective
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
From an image on opengameart.org shared by rubberduck.
Source Firkin
A series of 5 patterns. That’s what the P stands for, if you didn’t guess it.
Source Dima Shiper
Derived from an image that was uploaded to Pixabay by TheDigitalArtist
Source Firkin
Inspired by a pattern seen on a public domain image of a very old tile. To get the unit cell, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A seamless background colored in pale orange. It has a paper like texture with diagonal grid pattern.
Source V. Hartikainen
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A seamless pattern formed from background pattern 102
Source Firkin
Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin