- Newly formed bands
- Albums March April May June July August September October November December Release date unknown
- Disbandments
- Events
- References
{{YYYY music|1977}}{{Year nav topic5|1977|heavy metal music}}This is a timeline documenting the events of heavy metal in the year 1977. Newly formed bands - Angel Witch
- Barnabas
- Black Death
- Death SS
- Dedringer
- Def Leppard
- Divlje Jagode
- Gordi
- Gravestone
- Great White
- Holocaust
- Kix
- Manilla Road
- Mentors
- Misfits
- Oz
- Rock Goddess
- TKO
- Trust
- Vatreni Poljubac
Albums March| Day | Album | Artist | Notes |
|---|
| 2 | Quiet Riot | Quiet Riot | Japan | | 8 | Foreigner | Foreigner | - | | 21 | Let There Be Rock | AC/DC | Australia |
April| Day | Album | Artist | Notes |
|---|
| 8 | Sin After Sin | Judas Priest | - | | 29 | Lace and Whiskey | Alice Cooper | - |
May| Day | Album | Artist | Notes |
|---|
| 28 | Cat Scratch Fever | Ted Nugent | - | | ??? | Lights Out | UFO | - |
June| Day | Album | Artist | Notes |
|---|
| 30 | Love Gun | Kiss | - |
July| Day | Album | Artist | Notes |
|---|
| 7 | On Stage | Rainbow | Live |
August| Day | Album | Artist | Notes |
|---|
| 21 | Motörhead | Motörhead | - |
September| Day | Album | Artist | Notes |
|---|
| 1 | A Farewell to Kings | Rush | - | | 2 | Bad Reputation | Thin Lizzy | - |
October| Day | Album | Artist | Notes |
|---|
| 1 | Waitin' for the Night | The Runaways | - | | 14 | Alive II | Kiss | Live + 5 new studio tracks | | 21 | Bat Out of Hell | Meat Loaf | - | | 28 | News of the World | Queen | - | | ??? | The Golden Greats | Sweet | Compilation |
November| Day | Album | Artist | Notes |
|---|
| 10 | Rock City | Riot | - | | ??? | Spectres | Blue Öyster Cult | - |
December| Day | Album | Artist | Notes |
|---|
| 1 | Draw the Line | Aerosmith | - | | 4 | Taken by Force | Scorpions | - |
Release date unknown- Goddo - Goddo
- Ram Jam - Ram Jam
- Quartz - Quartz
- Thor - Keep the Dogs Away
Disbandments Events - Queen release "We Will Rock You" and "We Are the Champions".
References{{s-start}}{{timeline box|title=Heavy Metal Timeline|before=1976|after=1978|year=1977}}{{s-end}}{{Timeline of heavy metal and hard rock music}}{{DEFAULTSORT:1977 In Heavy Metal Music}} 2 : 1970s in heavy metal music|1977 in music |