Kanashimi yo Konnichi wa

"Kanashimi yo Konnichi wa 悲しみよこんにちは"
Cover of single release of Kanashimi yo Konnichi wa.
Single by Yuki Saito
from the album Chime
A-side	Kanashimi yo Konnichi wa
B-side	Ohikkoshi, Wasuremono
Released	March 21, 1986 (1986-03-21)
Format	7-inch single CD single
Genre	J-pop
Length	3:57
Label	Canyon Records
Writer(s)	Yukinojō Mori, Kōji Tamaki
Yuki Saito singles chronology
Jōnetsu (1985) Kanashimi yo Konnichi wa (1986) Doyōbi no Tamanegi (1986)

"Kanashimi yo Konnichi wa (21st Century ver.) 悲しみよこんにちは(21st century ver.)"
Cover of single release of Kanashimi yo Konnichi wa (21st Century ver.) .
Single by Yuki Saito
Released	November 28, 2007 (2007-11-28)
Format	Maxi CD single
Genre	J-pop
Length	4:12
Label	Team Entertainment
Writer(s)	Yukinojō Mori, Kōji Tamaki
Producer(s)	Masayoshi Ōkawa
Yuki Saito singles chronology
Kaze no Mukō (2007) Kanashimi yo Konnichi wa (21st Century ver.) (2007)

Kanashimi yo Konnichi wa (悲しみよこんにちは^?, lit. "Hello Sadness") is the fifth single by Japanese pop singer Yuki Saito. It was released March 21, 1986 by Canyon Records together with "Ohikkoshi, Wasuremono" (お引越し・忘れもの^?, lit. "Moving, Lost Things"). It was ranked #3 on the Oricon charts and #2 on The Best Ten chart, as well as ranked #19 overall for single sales in 1986 by Oricon.

The title song was used as the first opening theme for the anime television series Maison Ikkoku, as well being used as an image song for a line of Shiseido hair care products. Multiple artists have released covers of "Kanashimi yo Konnichi wa". In November 2007, a rearranged "21st Century ver." of the single was released, which included multiple arrangements of four different songs.

"Kanashimi yo Konnichi wa" was released on March 21, 1986 as a 7-inch single vinyl record through Canyon Records. The single reached #3 on the Oricon charts, and #6 on The Best Ten chart. Additionally, it was ranked #19 by Oricon in overall sales for singles in 1986.

The B-side release was "Ohikkoshi, Wasuremono". The title song had lyrics written by Yukinojō Mori, the music was composed by Kōji Tamaki and was arranged by Satoshi Takebe. Saito wrote the lyrics for the B-side, Toshio Kamei composed the music, and Takebe arranged the music.