Calla is a genus of flowering plants in the family Araceae.

Calla may also refer to:

• Calla (name)
• Calla (band), a rock band from Texas via Brooklyn
  • Calla (album)
• Calla, Ohio, a community in the United States
• Calla Bryn Sturgis, fictional town in The Dark Tower V, Wolves of the Calla
• Calla lily, the common name for the genus Zantedeschia of flowering plants in the family Araceae
• Calla Records, a defunct independent soul music label
• Common acute lymphoblastic leukemia antigen, also known as CD10 or Neprilysin
• Calla (film), a 1999 South Korean film by Song Hae-sung
• The Cognitive Academic Language Learning Approach (CALLA), an ESL teaching approach developed in the 1980s

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