Mermaid Templates Gallery
Browse and use professional Mermaid diagram templates with support for 19 chart types. All templates support live preview and multi-format export
Flow Charts
Charts that display processes, decisions, and workflows
Sequence Charts
Show interaction timing and message passing between objects
Structure Charts
Display system structure, relationships, and architecture
Class Diagram
Show relationships between classes and objects
classClick to use
ER Diagram
Show database entity relationships
entity-relationshipClick to use
Mind Map
Show mind structure diagrams
mindmapClick to use
Requirement Diagram
Show system requirement relationships
requirementClick to use
C4 Diagram
Show system architecture layers
c4Click to use
Block Diagram
Show system module relationships
blockClick to use
Architecture Diagram
Show software architecture structure
architectureClick to use
Other Charts
Other professional chart types
User Journey
Show user experience flows
user-journeyClick to use
Gantt Chart
Show project time planning
ganttClick to use
Pie Chart
Show data proportion distribution
pieClick to use
Timeline
Show time series events
timelineClick to use
Quadrant Chart
Show four-quadrant analysis
quadrant-chartClick to use
XY Chart
Show coordinate data relationships
xy-chartClick to use
Packet Diagram
Show network packet structure
packetClick to use
Start Creating Your Diagrams
Select any template above to get started, or check the syntax documentation to learn how to create custom diagrams. All templates support live preview and multi-format export.