Simple Icons

Streamline 3.0

Ultimate

Core

Flex

Sharp

Plump

Micro

Freehand

Streamline Material

Nova

Cyber

Streamline Vault

Logos

Pixel

Google Material

Tabler

Remix

Feather

Iconoir

Carbon

Solar

Lucide

Brand Logos

Bootstrap

Atlas

Unicons

Ionic Icons

Phosphor

MingCute

Font Awesome

Majesticons

Mynaui

Radix

Heroicons

Flagpack

Rounded neon icon of an atom with a central circle and two elliptical orbits. Used for science, physics, and technology.

Atom

Amazon Web Service Proton Preview

Clean solid icon of connected circles branching to three right arrows. Used for workflows, routing, and automation.

Clean line icon of three circles branching to three right arrows. Used for AWS workflows and deployments.

Bold colored solid icon of an atom with four looped lobes and a central circle. Used for science, chemistry, and education.

Rounded colored solid icon of an atom with a central circle and crossing orbital bands. Used for science and chemistry.

Rounded duotone icon of looping orbital paths around a central circle. Used for science and technology.

Rounded duotone icon of a central circle inside four looping arcs. Used for atoms, science, and technology.

Rounded solid icon of an atom with a central circle and orbital loops. Used for science, physics, and chemistry.

Cute colorful solid atom icon with central circle and orbital paths. Used for science, physics.

Rounded hybrid solid and line icon of an atom with a central dot and four orbital loops. Used for science and research.

Rounded solid icon of an atom with a central dot and looping paths. Used for science, chemistry, physics, and technology.

Rounded gradient icon of two intersecting orbital loops around a central circle. Used for science and physics.

Rounded hybrid solid and line icon of atom with central dot and four looping paths. Used for science/education.

Rounded flat icon of an atom with looping orbital paths around a central circle. Used for science, chemistry, and technology.

Rounded flat icon of a central circle crossed by looping orbital bands. Used for science, atoms, and technology.

Rounded neon icon of curved orbital loops surrounding a central circle. Used for science, atoms, physics, and technology.

Rounded gradient icon of a central circle with intersecting orbital loops. Used for science, atoms, and physics.

Rounded line icon of an atom with a central circle and crossing orbital loops. Used for science and physics interfaces.

Sharp solid icon of a bold geometric P-shaped form with a curved outer loop. Used for Proton branding, apps, and privacy tools.

Proton

Rounded line icon of an atom with two crossing orbital loops and a central dot. Used for science, chemistry, and technology.

ProntoMail Logo

Clean line icon of an outlined envelope with an M-shaped inner fold. Used for email, secure messaging, and inboxes.

Protonmail Logo 2

Bold solid icon of a dumbbell inside a rounded square, with a bar above. Used for fitness and workout UI.

Fitness Protein

Clean gradient icon of an atom with crossing loops and a central dot. Used for science and technology.

Clean flat icon of intersecting orbital loops around a central dot. Used for science, chemistry, physics, and technology.

Bold solid icon of four looping orbital bands around a central dot. Used for science, atoms, physics, and technology.

Clean hybrid solid and line icon of an atom with looping bands and a central dot. Used for science and technology.

Clean neon icon of an atom with curved orbitals around a central dot. Used for science, physics, chemistry, and education.

Clean duotone icon of an atom with looping orbits and a central dot. Used for science, chemistry, and technology.

Science Molecules 1

Rounded colored solid icon of an atom with curved loops, a central diamond, and dot. Used for physics and chemistry.

Rounded duotone icon of four looping curves crossing around a central dot. Used for science, atoms, physics, and technology.

Rounded flat icon of intersecting orbital loops around a central dot. Used for science, chemistry, and technology.

Clean neon icon of four curved loops crossing around a central dot. Used for atoms, chemistry, science, and research.

Rounded solid icon of four looping orbital bands around a central dot. Used for science, atoms, chemistry, and physics.

Clean hybrid solid and line icon of an atom with four looping orbitals and a central dot. Used for science and technology.

Rounded gradient icon of a stylized atom with four looping lobes and a central dot. Used for science, physics, and education.

Sharp flat icon of four curved bands crossing around a central square. Used for science, physics, and technology.

Sharp line icon of crossed orbital loops around a square center. Used for science, chemistry, physics, and tech.

Sharp gradient icon of four looping bands around a central square. Used for science, chemistry, technology, and research.

Sharp hybrid solid and line icon of four orbital loops around a square. Used for atoms, physics, and tech.

Sharp colored solid icon of an atom with four orbital loops and a central square. Used for science and chemistry.

Sharp duotone icon of an atom with intersecting orbital loops and a square nucleus. Used for science, physics, and technology.

Sharp solid icon of an atom with four loops and a central square. Used for science and physics.

Sharp neon icon of four looping orbital paths crossing around a central square. Used for science, atoms, and technology.

Clean solid icon of a plus and minus in circles within a broken ring. Used for science, chemistry, and laboratory interfaces.

School Science Atom 1

Clean line icon of a central plus-marked circle with a minus-marked circle on a curved orbit. Used for science lessons, physics.

Clean solid icon of an envelope with a rounded top flap and diagonal lower flap. Used for email, messaging, and mail.

The Proton icon shows a bold geometric P-shaped form with a curved outer loop. Drawn in the solid style on a 24px grid for clear, scalable branding. Use it for Proton apps, privacy tools, secure email interfaces, VPN services, and brand navigation. It belongs to Simple Icons free set in the Brand Logos family.

<p>3,000+ Free Open source SVG icons for popular brands, by the Simple Icons Collaborators.</p>

<p>Free Open source SVG icons for popular brands.</p>

Proton is a solid-style Icon from Simple Icons set.