Yes — if necessary.
The decision to disclose Masonic membership to an employer is personal, but it should not be fearful. Freemasonry is not a criminal organization. It is not a subversive movement. It is a fraternal order dedicated to moral improvement and charitable service — activities that no ethical employer could object to.
The “if necessary” qualifier is important. If your employer asks about your community involvement, your leadership experience, or your charitable work, Masonic membership is a legitimate and honorable answer. If the subject never arises, there is no obligation to volunteer it. The lodge does not demand public declaration; it demands private integrity.
Historically, Masons have navigated this question with discretion. During the anti-Masonic period of the 1830s, many American Masons kept their membership private to avoid political and professional retaliation. During the Nazi era in Europe, Masonic membership was literally life-threatening, and Brothers concealed their affiliation with deadly seriousness. Today, in most of the world, those dangers have passed. But the habit of discretion remains — not out of fear, but out of dignity.
If your employer is worthy of your labor, he is worthy of knowing that you are a man of principle. If he is not, your membership is none of his concern.