diff --git a/src/app/preview/input/page.tsx b/src/app/preview/input/page.tsx
new file mode 100644
index 0000000..2f9211e
--- /dev/null
+++ b/src/app/preview/input/page.tsx
@@ -0,0 +1,142 @@
+import { Input } from '@/components/ui/Input';
+
+export default function ButtonExamples() {
+  return (
+    <div className="w-fill h-full bg-BG p-10 text-white">
+      <h1 className="typo-head1">Normal</h1>
+      <h2>large normal</h2>
+      <div className="mb-4 w-[460px]">
+        <Input placeholder="Default" />
+      </div>
+
+      <h2>large typing</h2>
+      <div className="mb-4 w-[460px]">
+        <Input placeholder="Default" defaultValue={'Typing'} />
+      </div>
+
+      <h2>large done</h2>
+      <div className="mb-4 w-[460px]">
+        <Input defaultValue="Done" state="success" />
+      </div>
+
+      <h2>large error</h2>
+      <div className="mb-4 w-[460px]">
+        <Input defaultValue="Error" errorMessage="필수 입력 사항입니다." />
+      </div>
+
+      <h2>large disable</h2>
+      <div className="mb-4 w-[460px]">
+        <Input placeholder="Disabled" disabled />
+      </div>
+
+      <h2>small normal</h2>
+      <div className="mb-4 w-[460px]">
+        <Input placeholder="Default" inputSize="s" />
+      </div>
+
+      <h2>small typing</h2>
+      <div className="mb-4 w-[460px]">
+        <Input placeholder="Default" defaultValue={'Typing'} inputSize="s" />
+      </div>
+
+      <h2>small done</h2>
+      <div className="mb-4 w-[460px]">
+        <Input defaultValue="Done" state="success" inputSize="s" />
+      </div>
+
+      <h2>small error</h2>
+      <div className="mb-4 w-[460px]">
+        <Input
+          defaultValue="Error"
+          errorMessage="필수 입력 사항입니다."
+          inputSize="s"
+        />
+      </div>
+
+      <h2>small disable</h2>
+      <div className="mb-4 w-[460px]">
+        <Input placeholder="Disabled" disabled inputSize="s" />
+      </div>
+
+      <h1 className="typo-head1">Password</h1>
+      <h2>large normal</h2>
+      <div className="mb-4 w-[460px]">
+        <Input placeholder="Default" type="password" />
+      </div>
+
+      <h2>large typing</h2>
+      <div className="mb-4 w-[460px]">
+        <Input placeholder="Default" defaultValue={'Typing'} type="password" />
+      </div>
+
+      <h2>large done</h2>
+      <div className="mb-4 w-[460px]">
+        <Input defaultValue="Done" state="success" type="password" />
+      </div>
+
+      <h2>large error</h2>
+      <div className="mb-4 w-[460px]">
+        <Input
+          defaultValue="Error"
+          errorMessage="필수 입력 사항입니다."
+          type="password"
+        />
+      </div>
+
+      <h2>large disable</h2>
+      <div className="mb-4 w-[460px]">
+        <Input placeholder="Disabled" disabled type="password" />
+      </div>
+
+      <h2>small normal</h2>
+      <div className="mb-4 w-[460px]">
+        <Input placeholder="Default" inputSize="s" type="password" />
+      </div>
+
+      <h2>small typing</h2>
+      <div className="mb-4 w-[460px]">
+        <Input
+          placeholder="Default"
+          defaultValue={'Typing'}
+          inputSize="s"
+          type="password"
+        />
+      </div>
+
+      <h2>small done</h2>
+      <div className="mb-4 w-[460px]">
+        <Input
+          defaultValue="Done"
+          state="success"
+          inputSize="s"
+          type="password"
+        />
+      </div>
+
+      <h2>small error</h2>
+      <div className="mb-4 w-[460px]">
+        <Input
+          defaultValue="Error"
+          errorMessage="필수 입력 사항입니다."
+          inputSize="s"
+          type="password"
+        />
+      </div>
+
+      <h2>small disable</h2>
+      <div className="mb-4 w-[460px]">
+        <Input placeholder="Disabled" disabled inputSize="s" type="password" />
+      </div>
+
+      <h1 className="typo-head1">width 커스텀</h1>
+      <div className="mb-4 w-[260px]">
+        <Input placeholder="Default" inputSize="s" />
+      </div>
+      <div className="mb-4 w-[500px]">
+        <Input placeholder="Default" inputSize="s" />
+      </div>
+
+      <Input className="w-[200px]" placeholder="Default" inputSize="s" />
+    </div>
+  );
+}
diff --git a/src/components/ui/Input.tsx b/src/components/ui/Input.tsx
new file mode 100644
index 0000000..4b5067c
--- /dev/null
+++ b/src/components/ui/Input.tsx
@@ -0,0 +1,147 @@
+'use client';
+
+import { cn } from '@/util/cn';
+import { VariantProps, cva } from 'class-variance-authority';
+import { Eye, EyeOff } from 'lucide-react';
+import * as React from 'react';
+
+interface IInputProps
+  extends React.InputHTMLAttributes<HTMLInputElement>,
+    VariantProps<typeof inputVariants> {
+  /**
+   * 입력 필드의 상태 (기본값: `'default'`)
+   * - `'default'` : 기본 상태 (테두리 없음)
+   * - `'success'` : 성공 상태 (메인 컬러 테두리 적용)
+   */
+  state?: 'default' | 'success';
+  /**
+   * 입력 필드의 크기 (기본값: `'l'`)
+   * - `'s'` : 작은 크기 (36px)
+   * - `'l'` : 기본 크기 (50px)
+   */
+  inputSize?: 'l' | 's';
+  /**
+   * 에러 메시지 (에러 상태일 때 표시)
+   */
+  errorMessage?: string;
+}
+
+const inputVariants = cva(
+  'box-border flex w-full rounded-md border-transparent bg-Cgray200 px-3 px-[16px] py-1 py-[14px] text-base text-Cgray700 caret-Cgray500 shadow-sm transition-colors placeholder:text-Cgray400 focus:outline-none focus-visible:outline-none disabled:cursor-not-allowed disabled:bg-disable disabled:text-disable_text md:text-sm',
+  {
+    variants: {
+      state: {
+        default: '',
+        success: 'border border-main',
+      },
+      inputSize: {
+        s: 'typo-button2 h-[36px]',
+        l: 'typo-button1 h-[50px] py-[10px]',
+      },
+    },
+    defaultVariants: {
+      inputSize: 'l',
+    },
+  },
+);
+
+const errorTextVariants = cva('px-[10px] text-warning', {
+  variants: {
+    inputSize: {
+      s: 'typo-caption2 mt-[8px]',
+      l: 'typo-caption1 mt-[10px]',
+    },
+    defaultVariants: {
+      inputSize: 'l',
+    },
+  },
+});
+
+/**
+ * `Input` 컴포넌트
+ *
+ * 기본적인 입력 필드로, 텍스트 및 비밀번호 입력을 지원하며,
+ * 에러 상태 및 성공 상태를 지정할 수 있습니다.
+ * 접근성을 위해 id가 필수적으로 필요합니다.
+ *
+ * @example
+ * // 기본 사용법
+ * <Input placeholder="텍스트를 입력하세요" />
+ *
+ * @example
+ * // 에러 상태
+ * <Input state="error" errorMessage="필수 입력 사항입니다." />
+ *
+ * @example
+ * // 성공 상태
+ * <Input state="success" />
+ *
+ * @example
+ * // 비밀번호 입력 필드 (눈 아이콘 포함)
+ * <Input type="password" />
+ *
+ * @param {IInputProps} props - `Input` 컴포넌트의 속성
+ * @returns {JSX.Element} `Input` 요소
+ */
+const Input = React.forwardRef<HTMLInputElement, IInputProps>(
+  (
+    {
+      className,
+      type,
+      state = 'default',
+      errorMessage,
+      inputSize = 'l',
+      id,
+      ...props
+    },
+    ref,
+  ) => {
+    const [isVisible, setIsVisible] = React.useState(false);
+
+    return (
+      <div className={`w-full ${className}`}>
+        <div className="relative focus-within:text-Cgray700">
+          <input
+            type={
+              type === 'password' ? (isVisible ? 'text' : 'password') : 'text'
+            }
+            aria-invalid={!!errorMessage}
+            className={cn(
+              inputVariants({ state, inputSize }),
+              !!errorMessage &&
+                'border border-warning text-warning caret-warning',
+            )}
+            ref={ref}
+            {...props}
+          />
+          <button
+            onClick={() => setIsVisible((prev) => !prev)}
+            type="button"
+            aria-label={isVisible ? '비밀번호 숨기기' : '비밀번호 표시'}
+            aria-describedby={errorMessage ? `${id}-error` : undefined}
+            className={`absolute right-[16px] top-1/2 -translate-y-1/2 text-Cgray500 focus-within:text-Cgray700 ${type !== 'password' && 'hidden'}
+`}
+          >
+            {!isVisible ? (
+              <EyeOff className={`size-5 `} />
+            ) : (
+              <Eye className={`size-5 `} />
+            )}
+          </button>
+        </div>
+        {errorMessage && (
+          <p
+            id={`${id}-error`}
+            className={cn(errorTextVariants({ inputSize, className }))}
+          >
+            {errorMessage}
+          </p>
+        )}
+      </div>
+    );
+  },
+);
+
+Input.displayName = 'Input';
+
+export { Input };