diff --git a/backend/app/models/report.py b/backend/app/models/report.py
new file mode 100644
index 0000000..eadc6be
--- /dev/null
+++ b/backend/app/models/report.py
@@ -0,0 +1,88 @@
+"""Report model for Trust & Safety."""
+
+from datetime import datetime
+from typing import Optional
+
+from sqlalchemy import (
+    Column,
+    Integer,
+    String,
+    Text,
+    DateTime,
+    ForeignKey,
+    UniqueConstraint,
+)
+from sqlalchemy.dialects.postgresql import ENUM
+from sqlalchemy.orm import relationship
+from sqlalchemy.sql import func
+import enum
+
+from app.database import Base
+
+
+class ReportTargetType(str, enum.Enum):
+    USER = "user"
+    WORLD = "world"
+    ASSET = "asset"
+    CHAT_MESSAGE = "chat_message"
+
+
+class ReasonCategory(str, enum.Enum):
+    HARASSMENT = "harassment"
+    HATE_SPEECH = "hate_speech"
+    SEXUAL_CONTENT = "sexual_content"
+    VIOLENCE = "violence"
+    SPAM = "spam"
+    SELF_HARM = "self_harm"
+    OTHER = "other"
+
+
+class ReportStatus(str, enum.Enum):
+    OPEN = "open"
+    IN_REVIEW = "in_review"
+    RESOLVED = "resolved"
+    DISMISSED = "dismissed"
+
+
+class Resolution(str, enum.Enum):
+    ACTION_TAKEN = "action_taken"
+    NO_ACTION = "no_action"
+    FALSE_POSITIVE = "false_positive"
+
+
+class Report(Base):
+    __tablename__ = "reports"
+
+    id = Column(Integer, primary_key=True, autoincrement=True)
+    reporter_id = Column(Integer, ForeignKey("users.id"), nullable=False)
+    target_type = Column(
+        ENUM(ReportTargetType, name="report_target_type", create_type=False),
+        nullable=False,
+    )
+    target_id = Column(String(64), nullable=False)
+    reason_category = Column(
+        ENUM(ReasonCategory, name="reason_category", create_type=False),
+        nullable=False,
+    )
+    details = Column(Text, nullable=True)
+    status = Column(
+        ENUM(ReportStatus, name="report_status", create_type=False),
+        default=ReportStatus.OPEN,
+    )
+    resolved_by = Column(Integer, ForeignKey("users.id"), nullable=True)
+    resolution = Column(
+        ENUM(Resolution, name="resolution", create_type=False),
+        nullable=True,
+    )
+    resolved_at = Column(DateTime(timezone=True), nullable=True)
+    created_at = Column(DateTime(timezone=True), server_default=func.now())
+    updated_at = Column(DateTime(timezone=True), onupdate=func.now())
+
+    # Relationships
+    reporter = relationship("User", foreign_keys=[reporter_id])
+    resolved_by_user = relationship("User", foreign_keys=[resolved_by])
+
+    __table_args__ = (
+        UniqueConstraint("reporter_id", "target_type", "target_id",
+                         name="uq_reporter_target"),
+    )