Bunka (文化) was a Japanese era name (年号,, nengō,; lit. "year name") after Kyōwa and before Bunsei. The period started in January 1804 and ended in April 1818. During this time, the emperors were Kōkaku-tennō (光格天皇) and Ninkō-Tennō (仁孝天皇).

| Bunka | 1st | 2nd | 3rd | 4th | 5th | 6th | 7th | 8th | 9th | 10th | 11th | 12th | 13th | 14th | 15th |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1804 | 1805 | 1806 | 1807 | 1808 | 1809 | 1810 | 1811 | 1812 | 1813 | 1814 | 1815 | 1816 | 1817 | 1818 |
| Preceded by: Kyōwa |
Era or nengō: Bunka |
Succeeded by: Bunsei |