Light gray pattern with an almost wall tile-like appearance.
Source Markus Tinner
A seamless pattern formed from a tile made from page ornament 22. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
This yellow background consists of a pattern of glossy gold buttons arranged in polka dot style on a seamless texture. Here's a pale yellow background pattern. Feel free to use it for your needs!
Source V. Hartikainen
It has waves, so make sure you don’t get sea sickness.
Source CoolPatterns
Prismatic Chevrons Pattern 5 With Background
Source GDJ
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Remixed from an image that was uploaded to Pixabay by Pixeline
Source Firkin
Not the Rebel alliance, but a dark textured pattern.
Source Hendrik Lammers
Prismatic Curved Diamond Pattern 5 No Background
Source GDJ
A dark gray, sandy pattern with small light dots, and some angled strokes.
Source Atle Mo
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
With a name this awesome, how can I go wrong?
Source Nikolay Boltachev
Sweet and subtle white plaster with hints of noise and grunge.
Source Phil Maurer
Bright gray tones with a hint of some metal surface.
Source Hendrik Lammers
A background pattern inspired by designs seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
Source Firkin
A pattern formed from a photograph of a 16th century ceramic tile.
Source Firkin
Prismatic Curved Diamond Pattern No Background
Source GDJ
Prismatic Polka Dots Mark II 2 No Background
Source GDJ
Not sure if this is related to the Nami you get in Google image search, but hey, it’s nice!
Source Dertig Media
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Prismatic Snowflakes Pattern No Background
Source GDJ
Remixed from a drawing in 'Canadian forest industries July-December', 1915
Source Firkin