No. Bail is not tax-deductible. Bail is actually not like a tax. The only reason that you might think it was like a tax is because it is a payment that is made to the government. However, bail is actually a guarantee that helps to ensure that you will return to court in order to stand trial for a crime that you have been accused of committing.
When you are arrested and put into jail, you are given the option of posting bail. If you post the full amount of the bail on your own (without the help of a bail bonding agency) then you will get a full refund for the amount of the bail bond as long as you turn up in court to stand trial. The only time that you will actually lose money in a bail situation is if you enlist the help of a bail bonding agency.
A bail bondsman will generally require a down payment for the amount of the bail that is about ten percent of the total bail. The bail bonding agency will then provide the additional 90 percent of the bail bond for the court. As such, you are paying the bail bonding agency to pay for your bail. The bail bonding agency will then get a full refund of the amount of money that was required for your bail. However, you will not get any of that money back. To recap, bail is not tax deductible and is not actually a tax.