Della may refer to:
- Della Alexander, a fictional character in the soap opera EastEnders
- Della Street, the fictional secretary of Perry Mason
- Della Duck, a fictional character and twin sister to Donald Duck
- George W. Della, Jr. (21st century), American politician
- Ivan Della Mea (1940–2009), Italian singer
People with the given name Della:
- Della Au Belatti (born 1974), Democratic member of the Hawaii House of Representatives
- Della Jones (born 1946), Welsh opera and concert mezzo-soprano singer
- Della Moore (circa 1880–1926), American prostitute
- Della Purves (1945–2008), British botanical artist
- Della Reese (born 1931), American Emmy-nominated actor and Grammy-nominated singer
- Della Sehorn (1927–2001), competitive breaststroke swimmer
- Della Woods (21st century), dragster driver