This is a list of surnames in which the usage is Japanese; and the description contains the keyword river.
Aikawa 相川, 愛川, 愛河, 哀川, あいかわ JapaneseFrom Japanese
相 (ai) meaning "mutually, together",
愛 (ai) meaning "love, affection" or
哀 (ai) meaning "grief, sorrow" combined with
川 (kawa) or
河 (kawa) both meaning "river, stream".
Egawa 江川, えがわ JapaneseFrom Japanese
江 (e) meaning "bay, inlet" and
川 (kawa) meaning "river, stream".
Hasegawa 長谷川, はせがわ JapaneseFrom the Japanese place name
長谷 (
Hase, not a standard reading) combined with
川 (kawa) meaning "river, stream".
Kawaguchi 川口, かわぐち JapaneseMeans
"mouth of the river", from Japanese
川 (kawa) meaning "river, stream" and
口 (kuchi) meaning "mouth, entrance".
Kitagawa 北川, きたがわ JapaneseFrom Japanese
北 (kita) meaning "north" and
川 (kawa) meaning "river, stream". A famous bearer was the artist and printmaker Kitagawa Utamaro (1753-1806).
Ogawa 小川, おがわ JapaneseFrom Japanese
小 (o) meaning "small" and
川 (kawa) meaning "river, stream".