Fude Pen ~Ball Pen~ may refer to:
- A song by Ho-kago Tea Time
- Its instrumental version
- An alternative live version with Mio Akiyama on vocals
- An alternative version with Yui Hirasawa and Azusa Nakano on vocals
- An alternative recorded version
- Track 3 and 31 on the album K-ON! Movie Original Soundtrack, which do not share the name but are based on the song "Fude Pen ~Ball Pen~"