Act now or Act Now may refer to:

Organizations ActNow Theatre, a social justice focused theatre company in South Australia Act Now (campaign group), a human rights group in support of Tamils Act Now BC, a health promotion strategy in British Columbia managed by Mary McNeil

Other uses Act Now (exchange program), administered by the Strømme Foundation, Norway Act Now (slogan), in Hong Kong Act Now, a campaign by Young Friends of the Earth Act now, a campaign by Progressio Ireland

See also Fish or cut bait, an English expression A.N.S.W.E.R. (Act Now to Stop War and End Racism), a US-based protest umbrella group ANHAD (Act Now for Harmony and Democracy), an Indian socio-cultural organization established in 2003 Clear the Air (Hong Kong) "Act now – fight for better air", regarding air pollution in Hong Kong "We must act now", in Stern Review "Act now, explain later", a quotation of Jean Chrétien Act now, philosophy of Og Mandino "Act Now, Apologize Later", a quotation of Adam Werbach, "Let's act now, before it's too late", a quotation of Walter Williams