There are a few guidelines on titles:
- Wikipedia:Article titles on the titles of Wikipedia articles
- Wikipedia:Naming conventions (royalty and nobility) on titling articles about royalty and nobility, which may include their title
- Wikipedia:Manual of Style/Biography#Titles of people on the titles of people within articles
- Wikipedia:Manual of Style (titles) on the presentation of the titles of things (works of literature or art, court cases, ships, trains and species) within articles
- Wikipedia:Manual of Style#Section headings, the guideline for section titles