| Lacrimosa | |
| Cover: | Kalafina_wiki_lacrimosa_cover300px.jpg |
| Type: | single |
| Artist: | Kalafina |
| Album: | Red Moon |
| B-Side: | Gloria |
| Released: | March 4, 2009 |
| Genre: | J-Pop |
| Length: | 12:11 |
| Label: | SME |
| Producer: | Yuki Kajiura |
| Prev Title: | Fairytale |
| Prev Year: | 2008 |
| Next Title: | Storia |
| Next Year: | 2009 |
"Lacrimosa" is Kalafina's fourth single, featuring Wakana, Keiko and Hikaru. The single was released on March 4, 2009. The song was used as the closing theme to the anime television series Black Butler starting with episode 14. The single was also available as a limited edition release, containing a bonus DVD.[1]