Reflexive may refer to:

In fiction:

• Metafiction

In grammar:

• Reflexive pronoun, a pronoun with a reflexive relationship with its self-identical antecedent
• Reflexive verb, where a semantic agent and patient are the same

In mathematics and computer science:

• Reflexive relation, a relation where elements of a set are self-related
• Reflexive user interface, an interface that permits its own command verbs and sometimes underlying code to be edited
• Reflexive operator algebra, an operator algebra that has enough invariant subspaces to characterize it
• Reflexive space, a subset of Banach spaces
• Reflexive bilinear form, a bilinear form for which the order of a pair of vectors does not affect whether it evaluates to zero.

In biology

• Reflexive antagonism, the phenomenon by which muscles with opposing functions tend to antagonistically inhibit each other.

Other uses:

• Reflexive Entertainment, a video game developer
• Reflexivity (social theory), a concept in social theory relating to the capacity of an individual agent to act against influences of socialization and social structure