Singular may refer to:

• Singular, the grammatical number that denotes a unit quantity, as opposed to the plural and other forms

• Singular or sounder, a group of boar, see List of animal names

• Singular (band), a Thai jazz pop duo

• Singular: Act I, a 2018 studio album by Sabrina Carpenter

• Singular: Act II, a 2019 studio album by Sabrina Carpenter

Mathematics

• Singular homology

• SINGULAR, an open source Computer Algebra System (CAS)

• Singular matrix, a matrix that is not invertible

• Singular measure, a measure or probability distribution whose support has zero Lebesgue (or other) measure

• Singular cardinal, an infinite cardinal number that is not a regular cardinal

• Singular point of a curve, in geometry

See also

• Singularity

• Singulair, Merck trademark for the drug Montelukast

• Cingular Wireless, a mobile network operator in North America