Ties between the countries had been strained following a coup orchestrated by former Thai army chief Prayut three years ago, although he met Trump's predecessor Barack Obama during a ASEAN-US summit in California last February.
"President Trump looks forward to reaffirming the relationship between the United States and a key partner and longstanding ally in Asia, the Kingdom of Thailand," the White House said in a statement.
Thailand's military has jailed dissidents, banned protests and ramped up prosecutions under the kingdom's draconian lese majeste law since toppling the government of Yingluck Shinawatra in 2014.
During Prayut's visit, which follows an invitation Trump extended during an April phone call, the pair will "discuss ways to strengthen and broaden bilateral relations and enhance cooperation in the Indo-Pacific region," the statement added.