When you want Thai food in Sunnyvale, CA, come to The Old Siam! We offer a wide array of traditional cuisine such as pad thai, tom yum, pineapple fried rice, green curry, and much more. We pride ourselves on the excellent service we provide to our customers and our affordable menu. Our food is prepared with the freshest ingredients and our staff is friendly when serving you. For great service in Sunnyvale, CA, order at The Old Siam.