List of number-one international songs of 2018 (South Korea)

The international Gaon Digital Chart is a chart that ranks the best-performing international songs in South Korea. The data is collected by the Korea Music Content Association. Below is a list of songs that topped the weekly and monthly charts, as according to the Gaon 국외 (Foreign) Digital Chart. The Digital Chart ranks songs according to their performance on the Gaon Download, Streaming, and BGM charts.^[1]

Weekly charts

Week ending date	Song	Artist(s)	Ref.
January 6	"Havana"	Camila Cabello featuring Young Thug	[2]
January 13			[3]
January 20			[4]
January 27			[5]
February 3			[6]
February 10			[7]
February 17			[8]
February 24			[9]
March 3			[10]
March 10	"HandClap"	Fitz and the Tantrums	[11]
March 17			[12]
March 24			[13]
March 31			[14]
April 7			[15]
April 14			[16]
April 21			[17]
April 28			[18]
May 5			[19]
May 12			[20]
May 19			[21]
May 26			[22]
June 2			[23]
June 9			[24]
June 16			[25]
June 23			[26]
June 30			[27]
July 7	"Havana"	Camila Cabello featuring Young Thug	[28]
July 14			[29]
July 21			[30]
July 28			[31]
August 4	"HandClap"	Fitz and the Tantrums	[32]
August 11	"Havana"	Camila Cabello featuring Young Thug	[33]
August 18			[34]
August 25			[35]
September 1			[36]
September 8			[37]
September 15			[38]
September 22			[39]
September 29			[40]
October 6			[41]
October 13			[42]
October 20	"HandClap"	Fitz and the Tantrums	[43]
October 27			[44]
November 3			[45]
November 10	"Pop/Stars"	(G)I-dle, Madison Beer and Jaira Burns (as K/DA)	[46]
November 17			[47]
November 24	"Thank U, Next"	Ariana Grande	[48]
December 1			[49]
December 8			[50]
December 15			[51]
December 22			[52]
December 29	"Santa Tell Me"		[53]

Monthly charts

Month	Song	Artist(s)	Ref.
January	"Havana"	Camila Cabello featuring Young Thug	[54]
February			[55]
March	"HandClap"	Fitz and the Tantrums	[56]
April			[57]
May			[58]
June			[59]
July	"Havana"	Camila Cabello featuring Young Thug	[60]
August			[61]
September			[62]
October	"HandClap"	Fitz and the Tantrums	[63]
November	"Pop/Stars"	(G)I-dle, Madison Beer and Jaira Burns (as K/DA)	[64]
December	"Thank U, Next"	Ariana Grande	[65]