GUIStyle.font

Description

The font to use for rendering. If null, the default font for the current GUISkin is used instead.

// Prints name of the font that button is using.

function OnGUI() {
    Debug.Log("Font name: " + GUI.skin.button.font.name);
}

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour {
    void OnGUI() {
        Debug.Log("Font name: " + GUI.skin.button.font.name);
    }
}