A glass railing, also known as glass guardrail, is a type of barrier or guardrail made primarily of glass panels. It is commonly used in architectural and construction applications to provide safety and aesthetics in areas where a traditional railing might obstruct views. Glass railings are often employed in various settings, including balconies, terraces, staircases, and decks.

The main components of a glass railing system typically include glass panels, structural supports (such as posts or frames), and a base or handrail. The glass panels are usually made of tempered or laminated safety glass to ensure durability and safety. The structural supports can be made of materials like metal or, providing stability to the glass panels.