The mezzo-soprano Annette Daniels (born 10 September 1961 - 1 April 2004) was an American opera singer.

Daniels was born and raised in Wichita, Kansas. She graduated from Wichita State University with a M.A. in Voice Performance and French.

Daniels appeared with a variety of opera companies in the United States including Houston, Washington DC, Dallas, San Diego, Cincinnati, and Portland. She also performed numerous oratorios as well as concert works with orchestras.

Daniels died of cancer at age 42 in Houston in 2004.