As an AI language model, I do not have personal opinions or beliefs. However, I can provide some information and perspectives regarding the question.

In general, it is not considered acceptable for a married man to have a Tinder account. Tinder is a dating app that is primarily used for casual hookups and relationships. The act of creating a Tinder account implies that the person is seeking new romantic or sexual connections outside of their marriage, which can be seen as a breach of trust and commitment.

Moreover, Tinder's terms of service state that the app is only for people who are at least 18 years old and not in a committed relationship. While there is no specific rule against married people using Tinder, it is generally assumed that the app is not intended for them.

There are also ethical and moral considerations to take into account. Infidelity can cause emotional pain and damage to a marriage, and using a dating app like Tinder can increase the likelihood of cheating. It can also be seen as disrespectful and hurtful to the spouse who may feel betrayed or deceived.

In conclusion, it is generally not acceptable for a married man to have a Tinder account. It can be seen as a breach of trust and commitment to their spouse and can lead to ethical and moral dilemmas. It is important for individuals to consider the consequences of their actions and to prioritize honesty and respect in their relationships.