Fountain Pen Ink Cartridges – Convenient, Clean, and Portable

Fountain pen ink cartridges are the most convenient way to refill your pen. Compact and easy to replace, they allow you to carry extra ink wherever you go and swap cartridges in seconds – no mess, no fuss. Simply remove the empty cartridge, insert a new one, and your pen is ready to write again.

While some fountain pens are designed to use bottled ink with a converter, cartridges remain the most practical choice for travel, work, or school, where quick and clean refilling is essential. They are especially useful for beginners or anyone who wants the convenience of fountain pen writing without the complexity of ink bottles.

It’s important to note that not all cartridges are universal. The most common format is the standard international cartridge, but many prestigious brands design their own proprietary cartridges to ensure a perfect fit and writing performance. Brands such as Parker, Montblanc, Kaweco, Pilot, Lamy, Cross, Aurora, and Sheaffer each have cartridges tailored to their pens.

Although cartridges typically come in a more limited range of colors compared to bottled inks, you can still find beautiful shades that bring your writing to life. At InexPens.com, we offer a curated selection of high-quality fountain pen cartridges so you can enjoy convenience without compromising on elegance.

3.4mm
3.4mm Cartridges
3952
3952 Cartridges
5280
5280 Cartridges
A.G.-Spalding
A.G. Spalding Cartridges
A&W
A&W Cartridges
ACME-Studio
ACME Studio Cartridges
Aldo Domani
Aldo Domani Cartridges
American Pen Company
American Pen Company Cartridges
Ancora
Ancora Cartridges
Aurora
Aurora Cartridges
Baoer
Baoer Cartridges
Beiluner
Beiluner Cartridges
Benu
Benu Cartridges
Bexley
Bexley Cartridges
Caran-d’Ache
Caran d’Ache Cartridges
Cartier
Cartier Cartridges
Charles-Hubert
Charles Hubert Cartridges
Cleo Skribent
Cleo Skribent Cartridges
Coles
Coles Cartridges
Colibri
Colibri Cartridges
Conklin
Conklin Cartridges
Conway-Stewart
Conway Stewart Cartridges
Daniel-Hechter
Daniel Hechter Cartridges
Danitrio
Danitrio Cartridges
David-Oscarson
David Oscarson Cartridges
Delta
Delta Cartridges
Dikawen
Dikawen Cartridges
Diplomat
Diplomat Cartridges
Ducati
Ducati Cartridges
Duke
Duke Cartridges
Dunhill
Dunhill Cartridges
Eboya
Eboya Cartridges
Edison
Edison Cartridges
Elysee
Elysee Cartridges
Ensso
Ensso Cartridges
Esterbrook
Esterbrook Cartridges
European
European Cartridges
Faber-Castell
Faber Castell Cartridges
Fend
Fend Cartridges
Ferrari da Varese
Ferrari da Varese Cartridges
Filcao
Filcao Cartridges
Fink
Fink Cartridges
Franklin-Covey
Franklin Covey Cartridges
Franklin-Christoph
Franklin-Christoph Cartridges
Fuliwen
Fuliwen Cartridges
Graf-von-Faber-Castell
Graf von Faber-Castell Cartridges
Haolilai
Haolilai Cartridges
Hauser
Hauser Cartridges
Helix Oxford
Helix Oxford Cartridges
Herlitz
Herlitz Cartridges
Hero
Hero Cartridges
Hugo Boss
Hugo Boss Cartridges
Inoxcrom
Inoxcrom Cartridges
International
International Cartridges
Itoya
Itoya Cartridges
J-Herbin
J Herbin Cartridges
Jac-Zagoory
Jac Zagoory Cartridges
Jacques Herbin
Jacques Herbin Cartridges
Jean-Pierre-Lepine
Jean Pierre Lepine Cartridges
Jinhao
Jinhao Cartridges
Jorg-Hysek
Jorg Hysek Cartridges
Kaiduoli
Kaiduoli Cartridges
Kaigelu
Kaigelu Cartridges
Karas-Kustoms
Karas Kustoms Cartridges
Kaweco
Kaweco Cartridges
Krone
Krone Cartridges
Laban
Laban Cartridges
Lalex
Lalex Cartridges
Lamy
Lamy Cartridges
Lanbitou
Lanbitou Cartridges
Lanbo
Lanbo Cartridges
Leonardo Officina Italiana
Leonardo Officina Italiana Cartridges
Levenger
Levenger Cartridges
Libelle
Libelle Cartridges
Loclen
Loclen Cartridges
Loiminchay
Loiminchay Cartridges
Luoshi
Luoshi Cartridges



Maiora
Maiora Cartridges
Manuscript
Manuscript Cartridges
Marlen
Marlen Cartridges

Metropolitan Museum Of Art
Metropolitan Museum Of Art Cartridges
Michael’s Fat Boy
Michael’s Fat Boy Cartridges
Michel-Perchin
Michel Perchin Cartridges
Montblanc
Montblanc Cartridges


Montegrappa
Montegrappa Cartridges
Monteverde
Monteverde Cartridges

Nakaya
Nakaya Cartridges

Nemosine
Nemosine Cartridges
Nettuno
Nettuno Cartridges
Northpointe
Northpointe Cartridges
Ohto
Ohto Cartridges
Olympia
Olympia Cartridges
Omas
Omas Cartridges
ONLINE
ONLINE Cartridges
ONOTO
ONOTO Cartridges
Osmiroid
Osmiroid Cartridges
Otto Hutt
Otto Hutt Cartridges
Padrino
Padrino Cartridges
Panache
Panache Cartridges
Parafernalia
Parafernalia Cartridges
Parker
Parker Cartridges
Pelikan
Pelikan Cartridges
Penatia
Penatia Cartridges
Pentel
Pentel Cartridges
Pierre-Cardin
Pierre Cardin Cartridges
Pilot
Pilot Cartridges
Pineider
Pineider Cartridges
Pininfarina
Pininfarina Cartridges
Pirre-Paul
Pirre Paul Cartridges
Platignum
Platignum Cartridges
Platinum
Platinum Cartridges
Porsche
Porsche Cartridges
Ranga Pens
Ranga Pens Cartridges
Recife
Recife Cartridges
Reform
Reform Cartridges
Regal
Regal Cartridges
Retro-51
Retro 51 Cartridges
Rosetta
Rosetta Cartridges
Rotring
Rotring Cartridges
Schmidt
Schmidt Cartridges
Schneider
Schneider Cartridges
Scribo
Scribo Cartridges
Senator
Senator Cartridges
Sensa
Sensa Cartridges
Sheaffer
Sheaffer Cartridges
Signum
Signum Cartridges
Sizzle-Stix
Sizzle Stix Cartridges
Staedtler
Staedtler Cartridges
Standard
Standard Cartridges
Standard-International
Standard International Cartridges
Stipula
Stipula Cartridges
Stypen
Stypen Cartridges
Taccia
Taccia Cartridges
Tibaldi
Tibaldi Cartridges
Tiffany & Co
Tiffany & Co Cartridges
Tombow
Tombow Cartridges
Traveler’s-Company
Traveler’s Company Cartridges
Underwood
Underwood Cartridges
Universal
Universal Cartridges
Visconti
Visconti Cartridges
Vuarnet
Vuarnet Cartridges
Wahl-Eversharp
Wahl-Eversharp Cartridges
Waldmann
Waldmann Cartridges
Waterford
Waterford Cartridges
Waterman
Waterman Cartridges
Wenliang
Wenliang Cartridges
Wing-Sung
Wing Sung Cartridges
Worther
Worther Cartridges
Xezo
Xezo Cartridges
Yafa
Yafa Cartridges
Yard-O-Led
Yard O Led Cartridges
Yiren
Yiren Cartridges
Yookers
Yookers Cartridges
YStudio
YStudio Cartridges
Zhenjue
Zhenjue Cartridges