Definition
Pronoun ambiguity arises when the use of pronouns in a given speech act is unclear. In other words, pronouns point to specific individuals in or outside of a given speech situation. They can become ambiguous as they may point to different individuals other than who the speaker originally intends.
Examples
In Secwepemctsín, pronoun ambiguity arises when two third-person arguments are used within a clause. (Lai, 1998, p. 58) For instance, in the below example a speaker’s audience may experience pronoun ambiguity when determining the referents of the third-person arguments .
References
INLP Linguistic Glossary 