Now, you download an .ISO files, and want to burn it to CD or DVD on your Mac. Fear not!  

Here are 2 methods to Burn .ISO file to DVD on Mac.

1. Burn With Disk Utility

The delightfully useful Disk Utility built into OS X can burn disk images to optical media in a few easy steps. Learn more details about Burning your new disc on Mac with Disk Utility.

2. Use DVD Creator Std to Burn ISO to DVD

DVD Creator Std is a professional software to Burn DVD. It can Burn ISO to DVD with simple and practical edit function.
Just follow 4 steps:

Choose ISO to import file – Drag ISO to Program – Edit Videos – Burning

Step 1. Choose Video Type to import File
There are 4 video types, now you need to choose “ISO”.

Step 2. Drag your ISO File to the program

Step 3. Add Effect
After clicking Edit button, the edit window will pop up. You can preview your videos one by one or just click the buttons to preview the next or former videos. Adjust video display screen in horizontal or vertical direction.

After finishing the setting, you can Sit back and wait while your new disc gets written!

Here we just gave an outline of burning ISO to DVD. DVD Creator Std also can help you to Burn AVI to DVD, Burn WMV to DVD, Burn MOV to DVD, etc. Especially burn VIDEO_TS to DVD, Burn .dvdmedia file to DVD.

Both above methods just burn ISO to DVD on the Mac work across platforms. This is really a great way to back up software installation to optical disk to free up space on your Mac's hard drive, why not try?