On Science Geek Tees we have collected thousands of original science t-shirts for geeks, science fans and computer nerds. We've covered STEM (Science, Technology, Engineering, and Mathematics) subjects from astronomy & space to fields in biology, chemistry, physics, and more. We've also got funny geek shirts and a list of famous scientists to add to your t-shirt wardrobe. You'll find lots of great gifts here for your science geek friends and family.

Latest Featured Science Geek T-Shirts

Funny Graph Paper T-Shirt for Geometry Geeks

This cute math geek t-shirt has a graph background. Text reads "I See You Have Graph Paper" and "You Must Be Plotting Something". This funny phrase is cute for anyone who loves math, geometry, or just using graph paper!  The joke is in the double meaning of "plotting":...

Quantum Entanglement Graphic T-Shirt

This is a fun shirt in a unique style for anyone interested in or working with studying quantum entanglement. The graphic is done in retro cartoon style and includes a vintage-look font for the caption QUANTUM ENTANGLEMENT. Quantum entanglement, of course, is a physical phenomenon that occurs when...

Engineer's Brain Funny Engineering T-Shirt

This funny t-shirt is a great gift idea for anyone who works as an engineer. The graphic tee for Engineers features a simple cartoon image of a human brain along with certain areas noted, like the "management BS sensor", the "coffee location sensor", and the "sarcasm...

Optimist or Pessimist? Funny Glass Full T-Shirt

Is the glass half empty, or half full? An optimist and a pessimist allegedly would have different answers, but in reality, the glass is always completely full, as this funny science geek t-shirt explains. This graphic design shows a simple glass of water. The half that is full...

I Love Butterflies T-Shirts for Insect Fans

Butterflies, with their delicate wings and diverse colors, have long fascinated people from all walks of life. A shirt that proudly proclaims "I Love Butterflies" is...

Funny Never Trust an Atom Geek T-Shirt

This fun t-shirt features text surrounding an illustration of an atom with a cute red smiley face inside. The text, in white and red, reads in all caps: Never Trust an Atom | They Make Up Everything. A truer statement there never was.  This funny science geek t-shirt...

Featured Science Geek Topics

Astronomy & Space T-Shirts
Astronomy & Space T-Shirts - Whether you're an actual astronaut or rocket scientist, or you just love watching NASA TV, here you can find thousands of space-inspired and astronomy t-shirts. Topics here include solar flares, astrophysics, black holes, telescopes, solar and...
Biology T-Shirts
Biology T-Shirts - Check out our great selection of unique biology t-shirts! Topics covered include favorites like evolution, zoology and animals, stem cells, dinosaurs, and microbiology. We've also got funny DNA shirts, original genetics designs, and biological science tees,...
Chemistry T-Shirts
Chemistry T-Shirts - If you're into chemistry (and aren't we all, really?), you will love the unique chemistry t-shirts featured here. We're showcasing the best chemistry tees which include designs featuring elements of the periodic table. Chemistry geeks need...
Computer and Internet T-Shirts
Computer and Internet T-Shirts - These original internet t-shirts cover as many topics as you'll find on the world wide web! There are awesome t-shirts for hardcore Facebook addicts, Twitter junkies, Instagram followers, and anyone else who's got it bad for...
Engineering T-Shirts
Engineering T-Shirts - Lots of science geeks get into various fields of engineering. Here you'll find t-shirts for engineers in a variety of disciplines! We've got nanotechnology t-shirts, robotics tees, aerospace-themed shirts, plus designs inspired by civil engineering and...
Mathematics T-Shirts
Mathematics T-Shirts - If you know all about the Golden Ratio, Euler's Forumla, or the Fibonacci Sequence, then you've come to the right place - for awesome math geek shirts! Look no further to find original shirt designs covering...
Physics T-Shirts
Physics T-Shirts - If you can't wait for physics class, have we got some cool t-shirts for you! These original physics t-shirts are perfect for physics teachers and students, or anyone who loves this fascinating and varied field of...
Famous Scientist T-Shirts
Famous Scientist T-Shirts - You know that science geeks have the very best role models, right?! In this section you'll find a great collection of famous scientist t-shirts inspired by geniuses in all kinds of scientific fields. Crazy about Copernicus?...