The most common and direct translation of "Contact Us" is: **联系我们 (lián xì wǒ men)** This is the best option for most situations. Here are a couple of other options, depending on the context: * **与我们联系 (yǔ wǒ men lián xì):** Similar to the above, but slightly more formal. * **联络我们 (lián luò wǒ men):** Another synonym for "Contact Us." In the context of a website or app, **联系我们 (lián xì wǒ men)** is almost always the most appropriate choice.