diff --git a/src/components/TextArea/TextArea.spec.tsx b/src/components/TextArea/TextArea.spec.tsx
new file mode 100644
index 0000000..d054ad5
--- /dev/null
+++ b/src/components/TextArea/TextArea.spec.tsx
@@ -0,0 +1,119 @@
+import { Radius, Size } from "@/types";
+import { render, screen } from "@testing-library/react";
+import userEvent from "@testing-library/user-event";
+import { TextArea } from "./TextArea";
+
+describe("TextArea", () => {
+  // Basic Rendering
+  it("should render textarea element", () => {
+    render(<TextArea />);
+    expect(screen.getByRole("textbox")).toBeInTheDocument();
+  });
+
+  it("should render with placeholder", () => {
+    render(<TextArea placeholder="Enter text" />);
+    const textarea = screen.getByPlaceholderText("Enter text");
+    expect(textarea).toBeInTheDocument();
+  });
+
+  // Props Pass-through
+  it("should pass through native textarea attributes", () => {
+    render(
+      <TextArea
+        id="test-textarea"
+        data-testid="custom-textarea"
+        placeholder="Test placeholder"
+        rows={5}
+      />
+    );
+    const textarea = screen.getByTestId("custom-textarea");
+    expect(textarea).toHaveAttribute("id", "test-textarea");
+    expect(textarea).toHaveAttribute("placeholder", "Test placeholder");
+    expect(textarea).toHaveAttribute("rows", "5");
+  });
+
+  // User Interaction
+  it("should handle user input", async () => {
+    const user = userEvent.setup();
+    render(<TextArea data-testid="input-textarea" />);
+    const textarea = screen.getByTestId("input-textarea");
+
+    await user.type(textarea, "Hello World");
+    expect(textarea).toHaveValue("Hello World");
+  });
+
+  it("should handle onChange events", async () => {
+    const handleChange = jest.fn();
+    const user = userEvent.setup();
+    render(<TextArea onChange={handleChange} data-testid="change-textarea" />);
+
+    const textarea = screen.getByTestId("change-textarea");
+    await user.type(textarea, "Test");
+
+    expect(handleChange).toHaveBeenCalled();
+  });
+
+  // Disabled State
+  it("should be disabled when disabled prop is true", () => {
+    render(<TextArea disabled data-testid="disabled-textarea" />);
+    const textarea = screen.getByTestId("disabled-textarea");
+    expect(textarea).toBeDisabled();
+  });
+
+  it("should not accept input when disabled", async () => {
+    const user = userEvent.setup();
+    render(<TextArea disabled data-testid="disabled-textarea" />);
+    const textarea = screen.getByTestId("disabled-textarea");
+
+    await user.type(textarea, "Test");
+    expect(textarea).toHaveValue("");
+  });
+
+  // Size Variants
+  it("should apply correct classes for Size.Xs", () => {
+    render(<TextArea size={Size.Xs} data-testid="xs-textarea" />);
+    const textarea = screen.getByTestId("xs-textarea");
+    expect(textarea).toHaveClass("px-2.5", "py-1.5", "text-xs/5");
+  });
+
+  it("should apply correct classes for Size.Lg", () => {
+    render(<TextArea size={Size.Lg} data-testid="lg-textarea" />);
+    const textarea = screen.getByTestId("lg-textarea");
+    expect(textarea).toHaveClass("px-4", "py-3", "text-lg/9");
+  });
+
+  // Radius Variants
+  it("should apply correct radius classes", () => {
+    render(<TextArea radius={Radius.Md} data-testid="radius-textarea" />);
+    const textarea = screen.getByTestId("radius-textarea");
+    expect(textarea).toHaveClass("rounded-md");
+  });
+
+  // Error State
+  it("should apply error styling when error prop is true", () => {
+    render(<TextArea error data-testid="error-textarea" />);
+    const textarea = screen.getByTestId("error-textarea");
+    expect(textarea).toHaveClass("border-semantic-destructive");
+  });
+
+  // Resize Behavior
+  it("should apply resize-none class when resize is none", () => {
+    render(<TextArea resize="none" data-testid="resize-textarea" />);
+    const textarea = screen.getByTestId("resize-textarea");
+    expect(textarea).toHaveClass("resize-none");
+  });
+
+  it("should apply resize-y class by default", () => {
+    render(<TextArea data-testid="resize-textarea" />);
+    const textarea = screen.getByTestId("resize-textarea");
+    expect(textarea).toHaveClass("resize-y");
+  });
+
+  // Custom ClassName
+  it("should merge custom className with default classes", () => {
+    render(<TextArea className="custom-class" data-testid="custom-textarea" />);
+    const textarea = screen.getByTestId("custom-textarea");
+    expect(textarea).toHaveClass("custom-class");
+    expect(textarea).toHaveClass("w-full"); // Still has base classes
+  });
+});
diff --git a/src/components/TextArea/TextArea.tsx b/src/components/TextArea/TextArea.tsx
new file mode 100644
index 0000000..1776a12
--- /dev/null
+++ b/src/components/TextArea/TextArea.tsx
@@ -0,0 +1,83 @@
+import radiusStyles from "@/styles/radius";
+import { Radius, Size } from "@/types";
+import { cn } from "@/util/classes";
+import { Field, Textarea as HeadlessTextarea } from "@headlessui/react";
+import clsx from "clsx";
+import { type FC, TextareaHTMLAttributes } from "react";
+
+export interface TextAreaProps extends TextareaHTMLAttributes<HTMLTextAreaElement> {
+  size?: Size;
+  radius?: Radius;
+  className?: string;
+  containerClassName?: string;
+  error?: boolean;
+  resize?: "none" | "vertical" | "horizontal" | "both";
+}
+
+const sizeStyles: Record<Size, string> = {
+  [Size.Xs]: clsx("px-2.5 py-1.5", "text-xs/5"),
+  [Size.Sm]: clsx("px-3 py-2", "text-sm/6"),
+  [Size.Md]: clsx("px-3.5 py-2.5", "text-md/7"),
+  [Size.Lg]: clsx("px-4 py-3", "text-lg/9"),
+};
+
+const resizeStyles: Record<NonNullable<TextAreaProps["resize"]>, string> = {
+  none: "resize-none",
+  vertical: "resize-y",
+  horizontal: "resize-x",
+  both: "resize",
+};
+
+export const TextArea: FC<TextAreaProps> = ({
+  size = Size.Md,
+  radius = Radius.Sm,
+  error = false,
+  resize = "vertical",
+  rows = 3,
+  className,
+  containerClassName,
+  disabled,
+  ...props
+}) => {
+  return (
+    <Field className={cn("flex flex-col gap-1", containerClassName)}>
+      <HeadlessTextarea
+        rows={rows}
+        disabled={disabled}
+        className={cn(
+          "w-full",
+          "appearance-none",
+          "border",
+
+          "bg-content-bg-card-1",
+          "border-content-border-secondary-primary",
+          "text-content-text-primary",
+          "placeholder:text-content-text-tertiary",
+
+          "hover:border-content-border-secondary-secondary",
+
+          "focus:outline-none",
+          "focus:ring-2",
+          "focus:ring-action-primary-primary",
+          "focus:ring-offset-2",
+          "focus:border-action-primary-primary",
+
+          "disabled:opacity-50",
+          "disabled:cursor-not-allowed",
+          "disabled:bg-content-bg-muted",
+
+          error && "border-semantic-destructive",
+          error && "focus:ring-semantic-destructive",
+
+          sizeStyles[size],
+          radiusStyles(radius),
+          resizeStyles[resize],
+          className
+        )}
+        {...props}
+      />
+    </Field>
+  );
+};
+
+TextArea.displayName = "TextArea";
diff --git a/src/components/TextArea/index.ts b/src/components/TextArea/index.ts
new file mode 100644
index 0000000..cc37a6a
--- /dev/null
+++ b/src/components/TextArea/index.ts
@@ -0,0 +1 @@
+export * from "./TextArea";
diff --git a/src/components/index.ts b/src/components/index.ts
index ce0ba31..41ad241 100644
--- a/src/components/index.ts
+++ b/src/components/index.ts
@@ -15,6 +15,7 @@ export * from "./RichList";
 export * from "./Spinner";
 export * from "./Stack";
 export * from "./Text";
+export * from "./TextArea";
 export * from "./TextBadge";
 export * from "./Toast";
 export * from "./ToastContainer";