diff --git a/setup_mac.sh b/setup_mac.sh
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--- /dev/null
+++ b/setup_mac.sh
@@ -0,0 +1,90 @@
+#!/bin/bash
+
+echo "🚀 Mac 초기 개발 환경 설정을 시작합니다..."
+
+# Homebrew 설치
+if ! command -v brew &> /dev/null; then
+  echo "🔧 Homebrew 설치 중..."
+  /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
+  echo 'eval "$(/opt/homebrew/bin/brew shellenv)"' >> ~/.zprofile
+  eval "$(/opt/homebrew/bin/brew shellenv)"
+else
+  echo "✅ Homebrew 이미 설치됨"
+fi
+
+brew update
+
+# Nerd Fonts tap 추가
+echo "🔠 Nerd Fonts tap 추가..."
+brew tap homebrew/cask-fonts
+
+# iTerm2 설치
+echo "📦 iTerm2 설치..."
+brew install --cask iterm2
+
+# Oh My Zsh
+if [ ! -d "$HOME/.oh-my-zsh" ]; then
+  echo "📦 Oh My Zsh 설치..."
+  sh -c "$(curl -fsSL https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)"
+fi
+
+# ZSH 테마 및 멀티라인 프롬프트 설정
+echo "🎨 ZSH 테마 및 프롬프트 설정..."
+sed -i '' 's/^ZSH_THEME=.*/ZSH_THEME="agnoster"/' ~/.zshrc
+
+cat << 'EOF' >> ~/.zshrc
+
+# agnoster 멀티라인 프롬프트
+prompt_context() {}
+prompt_dir() {
+  prompt_segment blue black '%~'
+}
+prompt_newline() {
+  echo "\n$(print_prompt)"
+}
+precmd() {
+  prompt_newline
+}
+EOF
+
+# zsh plugins
+echo "🔌 zsh 플러그인 설치..."
+brew install zsh-syntax-highlighting
+echo "source /opt/homebrew/share/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh" >> ~/.zshrc
+
+brew install zsh-autosuggestions
+echo "source /opt/homebrew/share/zsh-autosuggestions/zsh-autosuggestions.zsh" >> ~/.zshrc
+
+# GUI 앱 설치
+echo "🖥️ GUI 앱 설치 중..."
+brew install --cask tunnelblick
+brew install --cask cursor
+brew install --cask notion
+brew install --cask discord
+brew install --cask iina
+brew install --cask kakao-talk
+brew install --cask telegram
+brew install --cask slack
+brew install --cask google-chrome
+
+# D2Coding Nerd Font 설치
+echo "🔤 D2Coding Nerd Font 설치..."
+brew install --cask font-d2coding-nerd-font
+
+# iTerm2 기본 폰트 설정 (D2Coding Nerd Font 14pt)
+echo "⚙️ iTerm2 기본 폰트 설정 (D2Coding Nerd Font 14)..."
+defaults write com.googlecode.iterm2 "New Bookmarks" -array-add \
+  '<dict>
+    <key>Normal Font</key>
+    <string>D2Coding Nerd Font 14</string>
+    <key>name</key>
+    <string>Default</string>
+  </dict>'
+
+# zsh 적용
+echo "🔁 zsh 설정 적용 중..."
+source ~/.zshrc
+
+echo ""
+echo "🎉 모든 Mac 초기 설정이 완료되었습니다!"
+echo "💡 iTerm2 > Settings > Profiles > Text 탭에서 폰트가 'D2Coding Nerd Font'로 설정되었는지 확인하세요."